Home / 90,708,603.47-125,188,499.96-51,556,265.52

Finding the Fourth Proportional to 90,708,603.47, 125,188,499.96 and 51,556,265.52

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Solution

The fourth proportional to 90,708,603.47, 125,188,499.96 and 51,556,265.52 is: 71,153,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,708,603.47 : 125,188,499.96 = 51,556,265.52 : x
  2. Step 2: Convert to fraction form
    90,708,603.47/125,188,499.96 = 51,556,265.52/x
  3. Step 3: Cross multiply
    90,708,603.47x = 125,188,499.96 × 51,556,265.52
  4. Step 4: Simplify right side
    90,708,603.47x = 6,454,251,543,261,031
  5. Step 5: Solve for x
    x = 6,454,251,543,261,031/90,708,603.47
  6. Step 6: Final answer
    x = 71,153,686.60

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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.