Home / 75,282,316.80-112,923,475.20-74,715,446.40

Finding the Fourth Proportional to 75,282,316.80, 112,923,475.20 and 74,715,446.40

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Solution

The fourth proportional to 75,282,316.80, 112,923,475.20 and 74,715,446.40 is: 112,073,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,282,316.80 : 112,923,475.20 = 74,715,446.40 : x
  2. Step 2: Convert to fraction form
    75,282,316.80/112,923,475.20 = 74,715,446.40/x
  3. Step 3: Cross multiply
    75,282,316.80x = 112,923,475.20 × 74,715,446.40
  4. Step 4: Simplify right side
    75,282,316.80x = 8,437,127,858,607,330
  5. Step 5: Solve for x
    x = 8,437,127,858,607,330/75,282,316.80
  6. Step 6: Final answer
    x = 112,073,169.60

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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.