Home / 72,346,915.12-108,394,007.40-60,293,833.24

Finding the Fourth Proportional to 72,346,915.12, 108,394,007.40 and 60,293,833.24

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Solution

The fourth proportional to 72,346,915.12, 108,394,007.40 and 60,293,833.24 is: 90,335,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,346,915.12 : 108,394,007.40 = 60,293,833.24 : x
  2. Step 2: Convert to fraction form
    72,346,915.12/108,394,007.40 = 60,293,833.24/x
  3. Step 3: Cross multiply
    72,346,915.12x = 108,394,007.40 × 60,293,833.24
  4. Step 4: Simplify right side
    72,346,915.12x = 6,535,490,206,390,927
  5. Step 5: Solve for x
    x = 6,535,490,206,390,927/72,346,915.12
  6. Step 6: Final answer
    x = 90,335,437.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.