Home / 58,749,957.28-81,123,887.73-49,011,448.78

Finding the Fourth Proportional to 58,749,957.28, 81,123,887.73 and 49,011,448.78

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Solution

The fourth proportional to 58,749,957.28, 81,123,887.73 and 49,011,448.78 is: 67,676,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,749,957.28 : 81,123,887.73 = 49,011,448.78 : x
  2. Step 2: Convert to fraction form
    58,749,957.28/81,123,887.73 = 49,011,448.78/x
  3. Step 3: Cross multiply
    58,749,957.28x = 81,123,887.73 × 49,011,448.78
  4. Step 4: Simplify right side
    58,749,957.28x = 3,975,999,268,322,874
  5. Step 5: Solve for x
    x = 3,975,999,268,322,874/58,749,957.28
  6. Step 6: Final answer
    x = 67,676,632.50

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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.