Home / 98,655,807.52-136,144,002.72-54,602,891.56

Finding the Fourth Proportional to 98,655,807.52, 136,144,002.72 and 54,602,891.56

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Solution

The fourth proportional to 98,655,807.52, 136,144,002.72 and 54,602,891.56 is: 75,351,430.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,655,807.52 : 136,144,002.72 = 54,602,891.56 : x
  2. Step 2: Convert to fraction form
    98,655,807.52/136,144,002.72 = 54,602,891.56/x
  3. Step 3: Cross multiply
    98,655,807.52x = 136,144,002.72 × 54,602,891.56
  4. Step 4: Simplify right side
    98,655,807.52x = 7,433,856,217,064,505
  5. Step 5: Solve for x
    x = 7,433,856,217,064,505/98,655,807.52
  6. Step 6: Final answer
    x = 75,351,430.43

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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.