Home / 112,523,881.28-168,784,873.76-87,952,475.95

Finding the Fourth Proportional to 112,523,881.28, 168,784,873.76 and 87,952,475.95

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Solution

The fourth proportional to 112,523,881.28, 168,784,873.76 and 87,952,475.95 is: 131,927,972.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,523,881.28 : 168,784,873.76 = 87,952,475.95 : x
  2. Step 2: Convert to fraction form
    112,523,881.28/168,784,873.76 = 87,952,475.95/x
  3. Step 3: Cross multiply
    112,523,881.28x = 168,784,873.76 × 87,952,475.95
  4. Step 4: Simplify right side
    112,523,881.28x = 14,845,047,549,660,424
  5. Step 5: Solve for x
    x = 14,845,047,549,660,424/112,523,881.28
  6. Step 6: Final answer
    x = 131,927,972.81

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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.