Home / 57,357,729.68-79,152,668.52-31,252,462.16

Finding the Fourth Proportional to 57,357,729.68, 79,152,668.52 and 31,252,462.16

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Solution

The fourth proportional to 57,357,729.68, 79,152,668.52 and 31,252,462.16 is: 43,127,853.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,357,729.68 : 79,152,668.52 = 31,252,462.16 : x
  2. Step 2: Convert to fraction form
    57,357,729.68/79,152,668.52 = 31,252,462.16/x
  3. Step 3: Cross multiply
    57,357,729.68x = 79,152,668.52 × 31,252,462.16
  4. Step 4: Simplify right side
    57,357,729.68x = 2,473,715,777,784,323
  5. Step 5: Solve for x
    x = 2,473,715,777,784,323/57,357,729.68
  6. Step 6: Final answer
    x = 43,127,853.76

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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.