Home / 158,843,812.10-219,226,525.11-89,234,488.94

Finding the Fourth Proportional to 158,843,812.10, 219,226,525.11 and 89,234,488.94

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Solution

The fourth proportional to 158,843,812.10, 219,226,525.11 and 89,234,488.94 is: 123,155,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,843,812.10 : 219,226,525.11 = 89,234,488.94 : x
  2. Step 2: Convert to fraction form
    158,843,812.10/219,226,525.11 = 89,234,488.94/x
  3. Step 3: Cross multiply
    158,843,812.10x = 219,226,525.11 × 89,234,488.94
  4. Step 4: Simplify right side
    158,843,812.10x = 19,562,566,929,186,796
  5. Step 5: Solve for x
    x = 19,562,566,929,186,796/158,843,812.10
  6. Step 6: Final answer
    x = 123,155,989.97

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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.