Home / 79,430,404.08-119,148,294-21,138,139.44

Finding the Fourth Proportional to 79,430,404.08, 119,148,294 and 21,138,139.44

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Solution

The fourth proportional to 79,430,404.08, 119,148,294 and 21,138,139.44 is: 31,707,924.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,430,404.08 : 119,148,294 = 21,138,139.44 : x
  2. Step 2: Convert to fraction form
    79,430,404.08/119,148,294 = 21,138,139.44/x
  3. Step 3: Cross multiply
    79,430,404.08x = 119,148,294 × 21,138,139.44
  4. Step 4: Simplify right side
    79,430,404.08x = 2,518,573,252,610,115.50
  5. Step 5: Solve for x
    x = 2,518,573,252,610,115.50/79,430,404.08
  6. Step 6: Final answer
    x = 31,707,924.46

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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.