Home / 159,925,698.61-220,705,989.32-89,363,021.65

Finding the Fourth Proportional to 159,925,698.61, 220,705,989.32 and 89,363,021.65

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Solution

The fourth proportional to 159,925,698.61, 220,705,989.32 and 89,363,021.65 is: 123,325,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,925,698.61 : 220,705,989.32 = 89,363,021.65 : x
  2. Step 2: Convert to fraction form
    159,925,698.61/220,705,989.32 = 89,363,021.65/x
  3. Step 3: Cross multiply
    159,925,698.61x = 220,705,989.32 × 89,363,021.65
  4. Step 4: Simplify right side
    159,925,698.61x = 19,722,954,101,559,468
  5. Step 5: Solve for x
    x = 19,722,954,101,559,468/159,925,698.61
  6. Step 6: Final answer
    x = 123,325,733.60

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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.