Home / 80,443,460.47-111,014,484.38-45,637,617.91

Finding the Fourth Proportional to 80,443,460.47, 111,014,484.38 and 45,637,617.91

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Solution

The fourth proportional to 80,443,460.47, 111,014,484.38 and 45,637,617.91 is: 62,981,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,443,460.47 : 111,014,484.38 = 45,637,617.91 : x
  2. Step 2: Convert to fraction form
    80,443,460.47/111,014,484.38 = 45,637,617.91/x
  3. Step 3: Cross multiply
    80,443,460.47x = 111,014,484.38 × 45,637,617.91
  4. Step 4: Simplify right side
    80,443,460.47x = 5,066,436,620,610,103
  5. Step 5: Solve for x
    x = 5,066,436,620,610,103/80,443,460.47
  6. Step 6: Final answer
    x = 62,981,336.10

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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.