Home / 155,088,000.80-232,632,001.20-139,971,456.80

Finding the Fourth Proportional to 155,088,000.80, 232,632,001.20 and 139,971,456.80

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Solution

The fourth proportional to 155,088,000.80, 232,632,001.20 and 139,971,456.80 is: 209,957,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,088,000.80 : 232,632,001.20 = 139,971,456.80 : x
  2. Step 2: Convert to fraction form
    155,088,000.80/232,632,001.20 = 139,971,456.80/x
  3. Step 3: Cross multiply
    155,088,000.80x = 232,632,001.20 × 139,971,456.80
  4. Step 4: Simplify right side
    155,088,000.80x = 32,561,840,106,263,348
  5. Step 5: Solve for x
    x = 32,561,840,106,263,348/155,088,000.80
  6. Step 6: Final answer
    x = 209,957,185.20

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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.