Home / 139,442,151.93-209,188,765.74-57,516,338.76

Finding the Fourth Proportional to 139,442,151.93, 209,188,765.74 and 57,516,338.76

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Solution

The fourth proportional to 139,442,151.93, 209,188,765.74 and 57,516,338.76 is: 86,285,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,442,151.93 : 209,188,765.74 = 57,516,338.76 : x
  2. Step 2: Convert to fraction form
    139,442,151.93/209,188,765.74 = 57,516,338.76/x
  3. Step 3: Cross multiply
    139,442,151.93x = 209,188,765.74 × 57,516,338.76
  4. Step 4: Simplify right side
    139,442,151.93x = 12,031,771,915,088,122
  5. Step 5: Solve for x
    x = 12,031,771,915,088,122/139,442,151.93
  6. Step 6: Final answer
    x = 86,285,041.85

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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.