Home / 238,972,289.60-358,458,434.40-164,995,702.40

Finding the Fourth Proportional to 238,972,289.60, 358,458,434.40 and 164,995,702.40

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Solution

The fourth proportional to 238,972,289.60, 358,458,434.40 and 164,995,702.40 is: 247,493,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,972,289.60 : 358,458,434.40 = 164,995,702.40 : x
  2. Step 2: Convert to fraction form
    238,972,289.60/358,458,434.40 = 164,995,702.40/x
  3. Step 3: Cross multiply
    238,972,289.60x = 358,458,434.40 × 164,995,702.40
  4. Step 4: Simplify right side
    238,972,289.60x = 59,144,101,165,032,320
  5. Step 5: Solve for x
    x = 59,144,101,165,032,320/238,972,289.60
  6. Step 6: Final answer
    x = 247,493,553.60

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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.