Home / 90,838,440.60-136,095,276.15-55,281,101.10

Finding the Fourth Proportional to 90,838,440.60, 136,095,276.15 and 55,281,101.10

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Solution

The fourth proportional to 90,838,440.60, 136,095,276.15 and 55,281,101.10 is: 82,822,829.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,838,440.60 : 136,095,276.15 = 55,281,101.10 : x
  2. Step 2: Convert to fraction form
    90,838,440.60/136,095,276.15 = 55,281,101.10/x
  3. Step 3: Cross multiply
    90,838,440.60x = 136,095,276.15 × 55,281,101.10
  4. Step 4: Simplify right side
    90,838,440.60x = 7,523,496,720,080,569
  5. Step 5: Solve for x
    x = 7,523,496,720,080,569/90,838,440.60
  6. Step 6: Final answer
    x = 82,822,829.96

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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.