Home / 157,464,139.60-236,196,209.40-79,980,041.80

Finding the Fourth Proportional to 157,464,139.60, 236,196,209.40 and 79,980,041.80

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Solution

The fourth proportional to 157,464,139.60, 236,196,209.40 and 79,980,041.80 is: 119,970,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,139.60 : 236,196,209.40 = 79,980,041.80 : x
  2. Step 2: Convert to fraction form
    157,464,139.60/236,196,209.40 = 79,980,041.80/x
  3. Step 3: Cross multiply
    157,464,139.60x = 236,196,209.40 × 79,980,041.80
  4. Step 4: Simplify right side
    157,464,139.60x = 18,890,982,700,813,552
  5. Step 5: Solve for x
    x = 18,890,982,700,813,552/157,464,139.60
  6. Step 6: Final answer
    x = 119,970,062.70

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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.