Home / 120,744,001.80-181,116,002.70-90,510,913.80

Finding the Fourth Proportional to 120,744,001.80, 181,116,002.70 and 90,510,913.80

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Solution

The fourth proportional to 120,744,001.80, 181,116,002.70 and 90,510,913.80 is: 135,766,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,744,001.80 : 181,116,002.70 = 90,510,913.80 : x
  2. Step 2: Convert to fraction form
    120,744,001.80/181,116,002.70 = 90,510,913.80/x
  3. Step 3: Cross multiply
    120,744,001.80x = 181,116,002.70 × 90,510,913.80
  4. Step 4: Simplify right side
    120,744,001.80x = 16,392,974,908,180,266
  5. Step 5: Solve for x
    x = 16,392,974,908,180,266/120,744,001.80
  6. Step 6: Final answer
    x = 135,766,370.70

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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.