Home / 120,443,322.50-180,274,110.14-65,034,130.58

Finding the Fourth Proportional to 120,443,322.50, 180,274,110.14 and 65,034,130.58

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Solution

The fourth proportional to 120,443,322.50, 180,274,110.14 and 65,034,130.58 is: 97,340,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,443,322.50 : 180,274,110.14 = 65,034,130.58 : x
  2. Step 2: Convert to fraction form
    120,443,322.50/180,274,110.14 = 65,034,130.58/x
  3. Step 3: Cross multiply
    120,443,322.50x = 180,274,110.14 × 65,034,130.58
  4. Step 4: Simplify right side
    120,443,322.50x = 11,723,970,019,038,060
  5. Step 5: Solve for x
    x = 11,723,970,019,038,060/120,443,322.50
  6. Step 6: Final answer
    x = 97,340,141.20

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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.