Home / 120,035,577.61-165,649,892.30-65,031,434.11

Finding the Fourth Proportional to 120,035,577.61, 165,649,892.30 and 65,031,434.11

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Solution

The fourth proportional to 120,035,577.61, 165,649,892.30 and 65,031,434.11 is: 89,743,809.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,035,577.61 : 165,649,892.30 = 65,031,434.11 : x
  2. Step 2: Convert to fraction form
    120,035,577.61/165,649,892.30 = 65,031,434.11/x
  3. Step 3: Cross multiply
    120,035,577.61x = 165,649,892.30 × 65,031,434.11
  4. Step 4: Simplify right side
    120,035,577.61x = 10,772,450,056,436,048
  5. Step 5: Solve for x
    x = 10,772,450,056,436,048/120,035,577.61
  6. Step 6: Final answer
    x = 89,743,809.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.