Home / 82,613,421,599.79-123,945,422,557.65-42,304,813,297.11

Finding the Fourth Proportional to 82,613,421,599.79, 123,945,422,557.65 and 42,304,813,297.11

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Solution

The fourth proportional to 82,613,421,599.79, 123,945,422,557.65 and 42,304,813,297.11 is: 63,470,170,570.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,613,421,599.79 : 123,945,422,557.65 = 42,304,813,297.11 : x
  2. Step 2: Convert to fraction form
    82,613,421,599.79/123,945,422,557.65 = 42,304,813,297.11/x
  3. Step 3: Cross multiply
    82,613,421,599.79x = 123,945,422,557.65 × 42,304,813,297.11
  4. Step 4: Simplify right side
    82,613,421,599.79x = 5,243,487,960,332,789,350,400
  5. Step 5: Solve for x
    x = 5,243,487,960,332,789,350,400/82,613,421,599.79
  6. Step 6: Final answer
    x = 63,470,170,570.28

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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.