Home / 78,732,340.90-118,098,511.35-62,470,246.30

Finding the Fourth Proportional to 78,732,340.90, 118,098,511.35 and 62,470,246.30

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Solution

The fourth proportional to 78,732,340.90, 118,098,511.35 and 62,470,246.30 is: 93,705,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,340.90 : 118,098,511.35 = 62,470,246.30 : x
  2. Step 2: Convert to fraction form
    78,732,340.90/118,098,511.35 = 62,470,246.30/x
  3. Step 3: Cross multiply
    78,732,340.90x = 118,098,511.35 × 62,470,246.30
  4. Step 4: Simplify right side
    78,732,340.90x = 7,377,643,091,697,845
  5. Step 5: Solve for x
    x = 7,377,643,091,697,845/78,732,340.90
  6. Step 6: Final answer
    x = 93,705,369.45

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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.