Home / 136,475,168.10-204,712,752.15-84,819,102.90

Finding the Fourth Proportional to 136,475,168.10, 204,712,752.15 and 84,819,102.90

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Solution

The fourth proportional to 136,475,168.10, 204,712,752.15 and 84,819,102.90 is: 127,228,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,475,168.10 : 204,712,752.15 = 84,819,102.90 : x
  2. Step 2: Convert to fraction form
    136,475,168.10/204,712,752.15 = 84,819,102.90/x
  3. Step 3: Cross multiply
    136,475,168.10x = 204,712,752.15 × 84,819,102.90
  4. Step 4: Simplify right side
    136,475,168.10x = 17,363,551,989,553,048
  5. Step 5: Solve for x
    x = 17,363,551,989,553,048/136,475,168.10
  6. Step 6: Final answer
    x = 127,228,654.35

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1.5x scale

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.