Home / 402,386,722.92-603,599,574.60-111,247,402.32

Finding the Fourth Proportional to 402,386,722.92, 603,599,574.60 and 111,247,402.32

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Solution

The fourth proportional to 402,386,722.92, 603,599,574.60 and 111,247,402.32 is: 166,876,491.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,386,722.92 : 603,599,574.60 = 111,247,402.32 : x
  2. Step 2: Convert to fraction form
    402,386,722.92/603,599,574.60 = 111,247,402.32/x
  3. Step 3: Cross multiply
    402,386,722.92x = 603,599,574.60 × 111,247,402.32
  4. Step 4: Simplify right side
    402,386,722.92x = 67,148,884,715,707,048
  5. Step 5: Solve for x
    x = 67,148,884,715,707,048/402,386,722.92
  6. Step 6: Final answer
    x = 166,876,491.92

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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.