Home / 71,996,706.56-99,354,708.87-38,956,226.81

Finding the Fourth Proportional to 71,996,706.56, 99,354,708.87 and 38,956,226.81

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Solution

The fourth proportional to 71,996,706.56, 99,354,708.87 and 38,956,226.81 is: 53,759,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,996,706.56 : 99,354,708.87 = 38,956,226.81 : x
  2. Step 2: Convert to fraction form
    71,996,706.56/99,354,708.87 = 38,956,226.81/x
  3. Step 3: Cross multiply
    71,996,706.56x = 99,354,708.87 × 38,956,226.81
  4. Step 4: Simplify right side
    71,996,706.56x = 3,870,484,573,381,239
  5. Step 5: Solve for x
    x = 3,870,484,573,381,239/71,996,706.56
  6. Step 6: Final answer
    x = 53,759,189.25

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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.