Home / 140,099,804.19-209,967,423.93-57,004,718.76

Finding the Fourth Proportional to 140,099,804.19, 209,967,423.93 and 57,004,718.76

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Solution

The fourth proportional to 140,099,804.19, 209,967,423.93 and 57,004,718.76 is: 85,432,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,099,804.19 : 209,967,423.93 = 57,004,718.76 : x
  2. Step 2: Convert to fraction form
    140,099,804.19/209,967,423.93 = 57,004,718.76/x
  3. Step 3: Cross multiply
    140,099,804.19x = 209,967,423.93 × 57,004,718.76
  4. Step 4: Simplify right side
    140,099,804.19x = 11,969,133,949,891,344
  5. Step 5: Solve for x
    x = 11,969,133,949,891,344/140,099,804.19
  6. Step 6: Final answer
    x = 85,432,909.91

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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.