Home / 80,477,853.62-111,059,123.69-45,190,752.59

Finding the Fourth Proportional to 80,477,853.62, 111,059,123.69 and 45,190,752.59

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Solution

The fourth proportional to 80,477,853.62, 111,059,123.69 and 45,190,752.59 is: 62,363,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,477,853.62 : 111,059,123.69 = 45,190,752.59 : x
  2. Step 2: Convert to fraction form
    80,477,853.62/111,059,123.69 = 45,190,752.59/x
  3. Step 3: Cross multiply
    80,477,853.62x = 111,059,123.69 × 45,190,752.59
  4. Step 4: Simplify right side
    80,477,853.62x = 5,018,845,381,927,622
  5. Step 5: Solve for x
    x = 5,018,845,381,927,622/80,477,853.62
  6. Step 6: Final answer
    x = 62,363,062.09

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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.