Home / 112,327,237.60-168,490,856.40-91,919,903.20

Finding the Fourth Proportional to 112,327,237.60, 168,490,856.40 and 91,919,903.20

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Solution

The fourth proportional to 112,327,237.60, 168,490,856.40 and 91,919,903.20 is: 137,879,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,327,237.60 : 168,490,856.40 = 91,919,903.20 : x
  2. Step 2: Convert to fraction form
    112,327,237.60/168,490,856.40 = 91,919,903.20/x
  3. Step 3: Cross multiply
    112,327,237.60x = 168,490,856.40 × 91,919,903.20
  4. Step 4: Simplify right side
    112,327,237.60x = 15,487,663,210,373,102
  5. Step 5: Solve for x
    x = 15,487,663,210,373,102/112,327,237.60
  6. Step 6: Final answer
    x = 137,879,854.80

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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.