Home / 80,743,931.91-111,425,204.34-45,935,880.48

Finding the Fourth Proportional to 80,743,931.91, 111,425,204.34 and 45,935,880.48

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Solution

The fourth proportional to 80,743,931.91, 111,425,204.34 and 45,935,880.48 is: 63,390,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,743,931.91 : 111,425,204.34 = 45,935,880.48 : x
  2. Step 2: Convert to fraction form
    80,743,931.91/111,425,204.34 = 45,935,880.48/x
  3. Step 3: Cross multiply
    80,743,931.91x = 111,425,204.34 × 45,935,880.48
  4. Step 4: Simplify right side
    80,743,931.91x = 5,118,414,869,021,817
  5. Step 5: Solve for x
    x = 5,118,414,869,021,817/80,743,931.91
  6. Step 6: Final answer
    x = 63,390,706.25

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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.