Home / 161,614,019.66-242,421,032.69-38,792,337.09

Finding the Fourth Proportional to 161,614,019.66, 242,421,032.69 and 38,792,337.09

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Solution

The fourth proportional to 161,614,019.66, 242,421,032.69 and 38,792,337.09 is: 58,188,506.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,614,019.66 : 242,421,032.69 = 38,792,337.09 : x
  2. Step 2: Convert to fraction form
    161,614,019.66/242,421,032.69 = 38,792,337.09/x
  3. Step 3: Cross multiply
    161,614,019.66x = 242,421,032.69 × 38,792,337.09
  4. Step 4: Simplify right side
    161,614,019.66x = 9,404,078,418,222,438
  5. Step 5: Solve for x
    x = 9,404,078,418,222,438/161,614,019.66
  6. Step 6: Final answer
    x = 58,188,506.41

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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.