Home / 238,972,355.10-358,458,532.65-164,995,767.90

Finding the Fourth Proportional to 238,972,355.10, 358,458,532.65 and 164,995,767.90

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Solution

The fourth proportional to 238,972,355.10, 358,458,532.65 and 164,995,767.90 is: 247,493,651.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,972,355.10 : 358,458,532.65 = 164,995,767.90 : x
  2. Step 2: Convert to fraction form
    238,972,355.10/358,458,532.65 = 164,995,767.90/x
  3. Step 3: Cross multiply
    238,972,355.10x = 358,458,532.65 × 164,995,767.90
  4. Step 4: Simplify right side
    238,972,355.10x = 59,144,140,854,893,968
  5. Step 5: Solve for x
    x = 59,144,140,854,893,968/238,972,355.10
  6. Step 6: Final answer
    x = 247,493,651.85

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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.