Home / 90,708,656.04-125,188,572.60-51,556,318.25

Finding the Fourth Proportional to 90,708,656.04, 125,188,572.60 and 51,556,318.25

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Solution

The fourth proportional to 90,708,656.04, 125,188,572.60 and 51,556,318.25 is: 71,153,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,708,656.04 : 125,188,572.60 = 51,556,318.25 : x
  2. Step 2: Convert to fraction form
    90,708,656.04/125,188,572.60 = 51,556,318.25/x
  3. Step 3: Cross multiply
    90,708,656.04x = 125,188,572.60 × 51,556,318.25
  4. Step 4: Simplify right side
    90,708,656.04x = 6,454,261,889,602,886
  5. Step 5: Solve for x
    x = 6,454,261,889,602,886/90,708,656.04
  6. Step 6: Final answer
    x = 71,153,759.42

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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.