Home / 80,357,648.87-110,917,155.90-52,484,620.21

Finding the Fourth Proportional to 80,357,648.87, 110,917,155.90 and 52,484,620.21

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Solution

The fourth proportional to 80,357,648.87, 110,917,155.90 and 52,484,620.21 is: 72,444,190.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,357,648.87 : 110,917,155.90 = 52,484,620.21 : x
  2. Step 2: Convert to fraction form
    80,357,648.87/110,917,155.90 = 52,484,620.21/x
  3. Step 3: Cross multiply
    80,357,648.87x = 110,917,155.90 × 52,484,620.21
  4. Step 4: Simplify right side
    80,357,648.87x = 5,821,444,802,104,386
  5. Step 5: Solve for x
    x = 5,821,444,802,104,386/80,357,648.87
  6. Step 6: Final answer
    x = 72,444,190.24

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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.