Home / 43,158,279.20-64,729,124.40-12,867,130.40

Finding the Fourth Proportional to 43,158,279.20, 64,729,124.40 and 12,867,130.40

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Solution

The fourth proportional to 43,158,279.20, 64,729,124.40 and 12,867,130.40 is: 19,298,222.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,158,279.20 : 64,729,124.40 = 12,867,130.40 : x
  2. Step 2: Convert to fraction form
    43,158,279.20/64,729,124.40 = 12,867,130.40/x
  3. Step 3: Cross multiply
    43,158,279.20x = 64,729,124.40 × 12,867,130.40
  4. Step 4: Simplify right side
    43,158,279.20x = 832,878,084,332,621.75
  5. Step 5: Solve for x
    x = 832,878,084,332,621.75/43,158,279.20
  6. Step 6: Final answer
    x = 19,298,222.72

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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.