Home / 99,456,329.10-149,184,493.65-72,582,473.10

Finding the Fourth Proportional to 99,456,329.10, 149,184,493.65 and 72,582,473.10

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Solution

The fourth proportional to 99,456,329.10, 149,184,493.65 and 72,582,473.10 is: 108,873,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,456,329.10 : 149,184,493.65 = 72,582,473.10 : x
  2. Step 2: Convert to fraction form
    99,456,329.10/149,184,493.65 = 72,582,473.10/x
  3. Step 3: Cross multiply
    99,456,329.10x = 149,184,493.65 × 72,582,473.10
  4. Step 4: Simplify right side
    99,456,329.10x = 10,828,179,497,288,246
  5. Step 5: Solve for x
    x = 10,828,179,497,288,246/99,456,329.10
  6. Step 6: Final answer
    x = 108,873,709.65

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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.