Home / 72,793,031.28-109,243,779.36-53,412,337.47

Finding the Fourth Proportional to 72,793,031.28, 109,243,779.36 and 53,412,337.47

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Solution

The fourth proportional to 72,793,031.28, 109,243,779.36 and 53,412,337.47 is: 80,158,299.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,793,031.28 : 109,243,779.36 = 53,412,337.47 : x
  2. Step 2: Convert to fraction form
    72,793,031.28/109,243,779.36 = 53,412,337.47/x
  3. Step 3: Cross multiply
    72,793,031.28x = 109,243,779.36 × 53,412,337.47
  4. Step 4: Simplify right side
    72,793,031.28x = 5,834,965,609,674,540
  5. Step 5: Solve for x
    x = 5,834,965,609,674,540/72,793,031.28
  6. Step 6: Final answer
    x = 80,158,299.59

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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.