Home / 139,442,187.16-209,188,818.58-57,516,373.97

Finding the Fourth Proportional to 139,442,187.16, 209,188,818.58 and 57,516,373.97

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Solution

The fourth proportional to 139,442,187.16, 209,188,818.58 and 57,516,373.97 is: 86,285,094.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,442,187.16 : 209,188,818.58 = 57,516,373.97 : x
  2. Step 2: Convert to fraction form
    139,442,187.16/209,188,818.58 = 57,516,373.97/x
  3. Step 3: Cross multiply
    139,442,187.16x = 209,188,818.58 × 57,516,373.97
  4. Step 4: Simplify right side
    139,442,187.16x = 12,031,782,319,789,764
  5. Step 5: Solve for x
    x = 12,031,782,319,789,764/139,442,187.16
  6. Step 6: Final answer
    x = 86,285,094.67

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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.