Home / 133,057,587.20-199,615,411.20-75,577,395.20

Finding the Fourth Proportional to 133,057,587.20, 199,615,411.20 and 75,577,395.20

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Solution

The fourth proportional to 133,057,587.20, 199,615,411.20 and 75,577,395.20 is: 113,382,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,057,587.20 : 199,615,411.20 = 75,577,395.20 : x
  2. Step 2: Convert to fraction form
    133,057,587.20/199,615,411.20 = 75,577,395.20/x
  3. Step 3: Cross multiply
    133,057,587.20x = 199,615,411.20 × 75,577,395.20
  4. Step 4: Simplify right side
    133,057,587.20x = 15,086,412,820,272,906
  5. Step 5: Solve for x
    x = 15,086,412,820,272,906/133,057,587.20
  6. Step 6: Final answer
    x = 113,382,582.22

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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.