Home / 66,434,143.20-99,651,214.80-59,253,784.80

Finding the Fourth Proportional to 66,434,143.20, 99,651,214.80 and 59,253,784.80

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Solution

The fourth proportional to 66,434,143.20, 99,651,214.80 and 59,253,784.80 is: 88,880,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,143.20 : 99,651,214.80 = 59,253,784.80 : x
  2. Step 2: Convert to fraction form
    66,434,143.20/99,651,214.80 = 59,253,784.80/x
  3. Step 3: Cross multiply
    66,434,143.20x = 99,651,214.80 × 59,253,784.80
  4. Step 4: Simplify right side
    66,434,143.20x = 5,904,711,636,817,775
  5. Step 5: Solve for x
    x = 5,904,711,636,817,775/66,434,143.20
  6. Step 6: Final answer
    x = 88,880,677.20

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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.