Home / 90,396,001.80-135,594,002.70-29,808,520.20

Finding the Fourth Proportional to 90,396,001.80, 135,594,002.70 and 29,808,520.20

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Solution

The fourth proportional to 90,396,001.80, 135,594,002.70 and 29,808,520.20 is: 44,712,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,396,001.80 : 135,594,002.70 = 29,808,520.20 : x
  2. Step 2: Convert to fraction form
    90,396,001.80/135,594,002.70 = 29,808,520.20/x
  3. Step 3: Cross multiply
    90,396,001.80x = 135,594,002.70 × 29,808,520.20
  4. Step 4: Simplify right side
    90,396,001.80x = 4,041,856,568,481,804
  5. Step 5: Solve for x
    x = 4,041,856,568,481,804/90,396,001.80
  6. Step 6: Final answer
    x = 44,712,780.30

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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.