Home / 57,357,811.20-79,152,778.98-31,252,544.76

Finding the Fourth Proportional to 57,357,811.20, 79,152,778.98 and 31,252,544.76

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Solution

The fourth proportional to 57,357,811.20, 79,152,778.98 and 31,252,544.76 is: 43,127,966.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,357,811.20 : 79,152,778.98 = 31,252,544.76 : x
  2. Step 2: Convert to fraction form
    57,357,811.20/79,152,778.98 = 31,252,544.76/x
  3. Step 3: Cross multiply
    57,357,811.20x = 79,152,778.98 × 31,252,544.76
  4. Step 4: Simplify right side
    57,357,811.20x = 2,473,725,767,950,837.50
  5. Step 5: Solve for x
    x = 2,473,725,767,950,837.50/57,357,811.20
  6. Step 6: Final answer
    x = 43,127,966.64

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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.