Home / 72,045,280.80-108,088,124.76-28,944,749.88

Finding the Fourth Proportional to 72,045,280.80, 108,088,124.76 and 28,944,749.88

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Solution

The fourth proportional to 72,045,280.80, 108,088,124.76 and 28,944,749.88 is: 43,425,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,045,280.80 : 108,088,124.76 = 28,944,749.88 : x
  2. Step 2: Convert to fraction form
    72,045,280.80/108,088,124.76 = 28,944,749.88/x
  3. Step 3: Cross multiply
    72,045,280.80x = 108,088,124.76 × 28,944,749.88
  4. Step 4: Simplify right side
    72,045,280.80x = 3,128,583,736,176,435
  5. Step 5: Solve for x
    x = 3,128,583,736,176,435/72,045,280.80
  6. Step 6: Final answer
    x = 43,425,241.76

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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.