Home / 52,152,068.10-78,196,998.15-31,971,792.90

Finding the Fourth Proportional to 52,152,068.10, 78,196,998.15 and 31,971,792.90

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Solution

The fourth proportional to 52,152,068.10, 78,196,998.15 and 31,971,792.90 is: 47,938,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,152,068.10 : 78,196,998.15 = 31,971,792.90 : x
  2. Step 2: Convert to fraction form
    52,152,068.10/78,196,998.15 = 31,971,792.90/x
  3. Step 3: Cross multiply
    52,152,068.10x = 78,196,998.15 × 31,971,792.90
  4. Step 4: Simplify right side
    52,152,068.10x = 2,500,098,230,253,483
  5. Step 5: Solve for x
    x = 2,500,098,230,253,483/52,152,068.10
  6. Step 6: Final answer
    x = 47,938,621.06

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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.