Home / 47,611,139.87-65,636,956.17-31,932,966.07

Finding the Fourth Proportional to 47,611,139.87, 65,636,956.17 and 31,932,966.07

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Solution

The fourth proportional to 47,611,139.87, 65,636,956.17 and 31,932,966.07 is: 44,022,947.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,611,139.87 : 65,636,956.17 = 31,932,966.07 : x
  2. Step 2: Convert to fraction form
    47,611,139.87/65,636,956.17 = 31,932,966.07/x
  3. Step 3: Cross multiply
    47,611,139.87x = 65,636,956.17 × 31,932,966.07
  4. Step 4: Simplify right side
    47,611,139.87x = 2,095,982,693,866,753.75
  5. Step 5: Solve for x
    x = 2,095,982,693,866,753.75/47,611,139.87
  6. Step 6: Final answer
    x = 44,022,947.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.