Home / 90,708,603.29-125,188,499.70-51,556,265.33

Finding the Fourth Proportional to 90,708,603.29, 125,188,499.70 and 51,556,265.33

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Solution

The fourth proportional to 90,708,603.29, 125,188,499.70 and 51,556,265.33 is: 71,153,686.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,708,603.29 : 125,188,499.70 = 51,556,265.33 : x
  2. Step 2: Convert to fraction form
    90,708,603.29/125,188,499.70 = 51,556,265.33/x
  3. Step 3: Cross multiply
    90,708,603.29x = 125,188,499.70 × 51,556,265.33
  4. Step 4: Simplify right side
    90,708,603.29x = 6,454,251,506,306,470
  5. Step 5: Solve for x
    x = 6,454,251,506,306,470/90,708,603.29
  6. Step 6: Final answer
    x = 71,153,686.34

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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.