Home / 120,161,102.40-180,162,017.64-43,474,151.52

Finding the Fourth Proportional to 120,161,102.40, 180,162,017.64 and 43,474,151.52

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Solution

The fourth proportional to 120,161,102.40, 180,162,017.64 and 43,474,151.52 is: 65,182,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,161,102.40 : 180,162,017.64 = 43,474,151.52 : x
  2. Step 2: Convert to fraction form
    120,161,102.40/180,162,017.64 = 43,474,151.52/x
  3. Step 3: Cross multiply
    120,161,102.40x = 180,162,017.64 × 43,474,151.52
  4. Step 4: Simplify right side
    120,161,102.40x = 7,832,390,853,030,273
  5. Step 5: Solve for x
    x = 7,832,390,853,030,273/120,161,102.40
  6. Step 6: Final answer
    x = 65,182,415.08

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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.