Home / 124,703,999.10-187,055,998.65-70,956,287.10

Finding the Fourth Proportional to 124,703,999.10, 187,055,998.65 and 70,956,287.10

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Solution

The fourth proportional to 124,703,999.10, 187,055,998.65 and 70,956,287.10 is: 106,434,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,703,999.10 : 187,055,998.65 = 70,956,287.10 : x
  2. Step 2: Convert to fraction form
    124,703,999.10/187,055,998.65 = 70,956,287.10/x
  3. Step 3: Cross multiply
    124,703,999.10x = 187,055,998.65 × 70,956,287.10
  4. Step 4: Simplify right side
    124,703,999.10x = 13,272,799,143,986,612
  5. Step 5: Solve for x
    x = 13,272,799,143,986,612/124,703,999.10
  6. Step 6: Final answer
    x = 106,434,430.65

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Similar ratio
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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.