Home / 80,752,110.20-121,128,165.30-46,739,886.20

Finding the Fourth Proportional to 80,752,110.20, 121,128,165.30 and 46,739,886.20

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Solution

The fourth proportional to 80,752,110.20, 121,128,165.30 and 46,739,886.20 is: 70,109,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,752,110.20 : 121,128,165.30 = 46,739,886.20 : x
  2. Step 2: Convert to fraction form
    80,752,110.20/121,128,165.30 = 46,739,886.20/x
  3. Step 3: Cross multiply
    80,752,110.20x = 121,128,165.30 × 46,739,886.20
  4. Step 4: Simplify right side
    80,752,110.20x = 5,661,516,661,736,789
  5. Step 5: Solve for x
    x = 5,661,516,661,736,789/80,752,110.20
  6. Step 6: Final answer
    x = 70,109,829.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.