Home / 138,859,038.30-208,288,557.45-116,352,183.90

Finding the Fourth Proportional to 138,859,038.30, 208,288,557.45 and 116,352,183.90

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Solution

The fourth proportional to 138,859,038.30, 208,288,557.45 and 116,352,183.90 is: 174,528,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,859,038.30 : 208,288,557.45 = 116,352,183.90 : x
  2. Step 2: Convert to fraction form
    138,859,038.30/208,288,557.45 = 116,352,183.90/x
  3. Step 3: Cross multiply
    138,859,038.30x = 208,288,557.45 × 116,352,183.90
  4. Step 4: Simplify right side
    138,859,038.30x = 24,234,828,540,688,116
  5. Step 5: Solve for x
    x = 24,234,828,540,688,116/138,859,038.30
  6. Step 6: Final answer
    x = 174,528,275.85

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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.