Home / 84,048,001.92-115,986,323.52-45,416,833.92

Finding the Fourth Proportional to 84,048,001.92, 115,986,323.52 and 45,416,833.92

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Solution

The fourth proportional to 84,048,001.92, 115,986,323.52 and 45,416,833.92 is: 62,675,274.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,048,001.92 : 115,986,323.52 = 45,416,833.92 : x
  2. Step 2: Convert to fraction form
    84,048,001.92/115,986,323.52 = 45,416,833.92/x
  3. Step 3: Cross multiply
    84,048,001.92x = 115,986,323.52 × 45,416,833.92
  4. Step 4: Simplify right side
    84,048,001.92x = 5,267,731,592,299,230
  5. Step 5: Solve for x
    x = 5,267,731,592,299,230/84,048,001.92
  6. Step 6: Final answer
    x = 62,675,274.51

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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.