Home / 98,971,086.06-136,573,535.43-54,915,292.98

Finding the Fourth Proportional to 98,971,086.06, 136,573,535.43 and 54,915,292.98

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Solution

The fourth proportional to 98,971,086.06, 136,573,535.43 and 54,915,292.98 is: 75,779,462.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,971,086.06 : 136,573,535.43 = 54,915,292.98 : x
  2. Step 2: Convert to fraction form
    98,971,086.06/136,573,535.43 = 54,915,292.98/x
  3. Step 3: Cross multiply
    98,971,086.06x = 136,573,535.43 × 54,915,292.98
  4. Step 4: Simplify right side
    98,971,086.06x = 7,499,975,711,452,860
  5. Step 5: Solve for x
    x = 7,499,975,711,452,860/98,971,086.06
  6. Step 6: Final answer
    x = 75,779,462.57

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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.