Home / 82,746,375,020.56-124,119,564,173.17-19,861,673,547.79

Finding the Fourth Proportional to 82,746,375,020.56, 124,119,564,173.17 and 19,861,673,547.79

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Solution

The fourth proportional to 82,746,375,020.56, 124,119,564,173.17 and 19,861,673,547.79 is: 29,792,510,715.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,746,375,020.56 : 124,119,564,173.17 = 19,861,673,547.79 : x
  2. Step 2: Convert to fraction form
    82,746,375,020.56/124,119,564,173.17 = 19,861,673,547.79/x
  3. Step 3: Cross multiply
    82,746,375,020.56x = 124,119,564,173.17 × 19,861,673,547.79
  4. Step 4: Simplify right side
    82,746,375,020.56x = 2,465,222,264,500,853,407,744
  5. Step 5: Solve for x
    x = 2,465,222,264,500,853,407,744/82,746,375,020.56
  6. Step 6: Final answer
    x = 29,792,510,715.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.