Home / 139,434,147.70-209,151,221.55-62,906,643.70

Finding the Fourth Proportional to 139,434,147.70, 209,151,221.55 and 62,906,643.70

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Solution

The fourth proportional to 139,434,147.70, 209,151,221.55 and 62,906,643.70 is: 94,359,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,434,147.70 : 209,151,221.55 = 62,906,643.70 : x
  2. Step 2: Convert to fraction form
    139,434,147.70/209,151,221.55 = 62,906,643.70/x
  3. Step 3: Cross multiply
    139,434,147.70x = 209,151,221.55 × 62,906,643.70
  4. Step 4: Simplify right side
    139,434,147.70x = 13,157,001,373,465,614
  5. Step 5: Solve for x
    x = 13,157,001,373,465,614/139,434,147.70
  6. Step 6: Final answer
    x = 94,359,965.55

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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.