Home / 139,442,234.68-209,188,889.76-57,516,421.36

Finding the Fourth Proportional to 139,442,234.68, 209,188,889.76 and 57,516,421.36

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Solution

The fourth proportional to 139,442,234.68, 209,188,889.76 and 57,516,421.36 is: 86,285,165.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,442,234.68 : 209,188,889.76 = 57,516,421.36 : x
  2. Step 2: Convert to fraction form
    139,442,234.68/209,188,889.76 = 57,516,421.36/x
  3. Step 3: Cross multiply
    139,442,234.68x = 209,188,889.76 × 57,516,421.36
  4. Step 4: Simplify right side
    139,442,234.68x = 12,031,796,327,266,748
  5. Step 5: Solve for x
    x = 12,031,796,327,266,748/139,442,234.68
  6. Step 6: Final answer
    x = 86,285,165.72

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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.