Home / 160,805,500.48-221,902,559.13-90,234,529.12

Finding the Fourth Proportional to 160,805,500.48, 221,902,559.13 and 90,234,529.12

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Solution

The fourth proportional to 160,805,500.48, 221,902,559.13 and 90,234,529.12 is: 124,518,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,805,500.48 : 221,902,559.13 = 90,234,529.12 : x
  2. Step 2: Convert to fraction form
    160,805,500.48/221,902,559.13 = 90,234,529.12/x
  3. Step 3: Cross multiply
    160,805,500.48x = 221,902,559.13 × 90,234,529.12
  4. Step 4: Simplify right side
    160,805,500.48x = 20,023,272,933,618,508
  5. Step 5: Solve for x
    x = 20,023,272,933,618,508/160,805,500.48
  6. Step 6: Final answer
    x = 124,518,582.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.