Home / 118,766,998,974.30-178,150,498,461.45-40,249,779,870.30

Finding the Fourth Proportional to 118,766,998,974.30, 178,150,498,461.45 and 40,249,779,870.30

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Solution

The fourth proportional to 118,766,998,974.30, 178,150,498,461.45 and 40,249,779,870.30 is: 60,374,669,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,766,998,974.30 : 178,150,498,461.45 = 40,249,779,870.30 : x
  2. Step 2: Convert to fraction form
    118,766,998,974.30/178,150,498,461.45 = 40,249,779,870.30/x
  3. Step 3: Cross multiply
    118,766,998,974.30x = 178,150,498,461.45 × 40,249,779,870.30
  4. Step 4: Simplify right side
    118,766,998,974.30x = 7,170,518,346,857,582,690,304
  5. Step 5: Solve for x
    x = 7,170,518,346,857,582,690,304/118,766,998,974.30
  6. Step 6: Final answer
    x = 60,374,669,805.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.