Home / 90,708,663.80-125,188,583.32-51,556,326.02

Finding the Fourth Proportional to 90,708,663.80, 125,188,583.32 and 51,556,326.02

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Solution

The fourth proportional to 90,708,663.80, 125,188,583.32 and 51,556,326.02 is: 71,153,770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,708,663.80 : 125,188,583.32 = 51,556,326.02 : x
  2. Step 2: Convert to fraction form
    90,708,663.80/125,188,583.32 = 51,556,326.02/x
  3. Step 3: Cross multiply
    90,708,663.80x = 125,188,583.32 × 51,556,326.02
  4. Step 4: Simplify right side
    90,708,663.80x = 6,454,263,415,627,854
  5. Step 5: Solve for x
    x = 6,454,263,415,627,854/90,708,663.80
  6. Step 6: Final answer
    x = 71,153,770.16

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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.