Home / 130,073,199.66-195,109,591.59-71,778,058.38

Finding the Fourth Proportional to 130,073,199.66, 195,109,591.59 and 71,778,058.38

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Solution

The fourth proportional to 130,073,199.66, 195,109,591.59 and 71,778,058.38 is: 107,666,972.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,073,199.66 : 195,109,591.59 = 71,778,058.38 : x
  2. Step 2: Convert to fraction form
    130,073,199.66/195,109,591.59 = 71,778,058.38/x
  3. Step 3: Cross multiply
    130,073,199.66x = 195,109,591.59 × 71,778,058.38
  4. Step 4: Simplify right side
    130,073,199.66x = 14,004,587,655,644,976
  5. Step 5: Solve for x
    x = 14,004,587,655,644,976/130,073,199.66
  6. Step 6: Final answer
    x = 107,666,972.84

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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.