Home / 90,708,601.31-125,188,496.96-51,556,263.35

Finding the Fourth Proportional to 90,708,601.31, 125,188,496.96 and 51,556,263.35

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Solution

The fourth proportional to 90,708,601.31, 125,188,496.96 and 51,556,263.35 is: 71,153,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,708,601.31 : 125,188,496.96 = 51,556,263.35 : x
  2. Step 2: Convert to fraction form
    90,708,601.31/125,188,496.96 = 51,556,263.35/x
  3. Step 3: Cross multiply
    90,708,601.31x = 125,188,496.96 × 51,556,263.35
  4. Step 4: Simplify right side
    90,708,601.31x = 6,454,251,116,776,710
  5. Step 5: Solve for x
    x = 6,454,251,116,776,710/90,708,601.31
  6. Step 6: Final answer
    x = 71,153,683.60

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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.