Home / 79,225,043.28-109,350,008.28-48,302,262.96

Finding the Fourth Proportional to 79,225,043.28, 109,350,008.28 and 48,302,262.96

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Solution

The fourth proportional to 79,225,043.28, 109,350,008.28 and 48,302,262.96 is: 66,668,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,225,043.28 : 109,350,008.28 = 48,302,262.96 : x
  2. Step 2: Convert to fraction form
    79,225,043.28/109,350,008.28 = 48,302,262.96/x
  3. Step 3: Cross multiply
    79,225,043.28x = 109,350,008.28 × 48,302,262.96
  4. Step 4: Simplify right side
    79,225,043.28x = 5,281,852,854,618,737
  5. Step 5: Solve for x
    x = 5,281,852,854,618,737/79,225,043.28
  6. Step 6: Final answer
    x = 66,668,980.36

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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.