Home / 90,623,674.80-135,935,512.20-25,929,590.40

Finding the Fourth Proportional to 90,623,674.80, 135,935,512.20 and 25,929,590.40

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Solution

The fourth proportional to 90,623,674.80, 135,935,512.20 and 25,929,590.40 is: 38,894,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,623,674.80 : 135,935,512.20 = 25,929,590.40 : x
  2. Step 2: Convert to fraction form
    90,623,674.80/135,935,512.20 = 25,929,590.40/x
  3. Step 3: Cross multiply
    90,623,674.80x = 135,935,512.20 × 25,929,590.40
  4. Step 4: Simplify right side
    90,623,674.80x = 3,524,752,152,160,202.50
  5. Step 5: Solve for x
    x = 3,524,752,152,160,202.50/90,623,674.80
  6. Step 6: Final answer
    x = 38,894,385.60

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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.