Home / 107,872,020.80-161,808,031.20-36,068,436.80

Finding the Fourth Proportional to 107,872,020.80, 161,808,031.20 and 36,068,436.80

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Solution

The fourth proportional to 107,872,020.80, 161,808,031.20 and 36,068,436.80 is: 54,102,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,872,020.80 : 161,808,031.20 = 36,068,436.80 : x
  2. Step 2: Convert to fraction form
    107,872,020.80/161,808,031.20 = 36,068,436.80/x
  3. Step 3: Cross multiply
    107,872,020.80x = 161,808,031.20 × 36,068,436.80
  4. Step 4: Simplify right side
    107,872,020.80x = 5,836,162,747,069,627
  5. Step 5: Solve for x
    x = 5,836,162,747,069,627/107,872,020.80
  6. Step 6: Final answer
    x = 54,102,655.20

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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.