Home / 99,823,457.92-137,732,763.60-57,982,661.92

Finding the Fourth Proportional to 99,823,457.92, 137,732,763.60 and 57,982,661.92

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Solution

The fourth proportional to 99,823,457.92, 137,732,763.60 and 57,982,661.92 is: 80,002,360.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,823,457.92 : 137,732,763.60 = 57,982,661.92 : x
  2. Step 2: Convert to fraction form
    99,823,457.92/137,732,763.60 = 57,982,661.92/x
  3. Step 3: Cross multiply
    99,823,457.92x = 137,732,763.60 × 57,982,661.92
  4. Step 4: Simplify right side
    99,823,457.92x = 7,986,112,267,126,082
  5. Step 5: Solve for x
    x = 7,986,112,267,126,082/99,823,457.92
  6. Step 6: Final answer
    x = 80,002,360.50

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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.