Home / 98,810,891.52-136,357,365.51-54,757,800.60

Finding the Fourth Proportional to 98,810,891.52, 136,357,365.51 and 54,757,800.60

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Solution

The fourth proportional to 98,810,891.52, 136,357,365.51 and 54,757,800.60 is: 75,564,842.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,810,891.52 : 136,357,365.51 = 54,757,800.60 : x
  2. Step 2: Convert to fraction form
    98,810,891.52/136,357,365.51 = 54,757,800.60/x
  3. Step 3: Cross multiply
    98,810,891.52x = 136,357,365.51 × 54,757,800.60
  4. Step 4: Simplify right side
    98,810,891.52x = 7,466,629,430,937,897
  5. Step 5: Solve for x
    x = 7,466,629,430,937,897/98,810,891.52
  6. Step 6: Final answer
    x = 75,564,842.26

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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.