Home / 71,996,705.56-99,354,707.49-38,956,225.81

Finding the Fourth Proportional to 71,996,705.56, 99,354,707.49 and 38,956,225.81

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Solution

The fourth proportional to 71,996,705.56, 99,354,707.49 and 38,956,225.81 is: 53,759,187.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,996,705.56 : 99,354,707.49 = 38,956,225.81 : x
  2. Step 2: Convert to fraction form
    71,996,705.56/99,354,707.49 = 38,956,225.81/x
  3. Step 3: Cross multiply
    71,996,705.56x = 99,354,707.49 × 38,956,225.81
  4. Step 4: Simplify right side
    71,996,705.56x = 3,870,484,420,266,938.50
  5. Step 5: Solve for x
    x = 3,870,484,420,266,938.50/71,996,705.56
  6. Step 6: Final answer
    x = 53,759,187.87

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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.