Home / 139,968,017.70-209,952,026.55-96,885,867.30

Finding the Fourth Proportional to 139,968,017.70, 209,952,026.55 and 96,885,867.30

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Solution

The fourth proportional to 139,968,017.70, 209,952,026.55 and 96,885,867.30 is: 145,328,800.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,017.70 : 209,952,026.55 = 96,885,867.30 : x
  2. Step 2: Convert to fraction form
    139,968,017.70/209,952,026.55 = 96,885,867.30/x
  3. Step 3: Cross multiply
    139,968,017.70x = 209,952,026.55 × 96,885,867.30
  4. Step 4: Simplify right side
    139,968,017.70x = 20,341,384,183,689,376
  5. Step 5: Solve for x
    x = 20,341,384,183,689,376/139,968,017.70
  6. Step 6: Final answer
    x = 145,328,800.95

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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.