Home / 280,156,648.16-420,872,702.76-202,672,550.24

Finding the Fourth Proportional to 280,156,648.16, 420,872,702.76 and 202,672,550.24

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Solution

The fourth proportional to 280,156,648.16, 420,872,702.76 and 202,672,550.24 is: 304,470,176.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,156,648.16 : 420,872,702.76 = 202,672,550.24 : x
  2. Step 2: Convert to fraction form
    280,156,648.16/420,872,702.76 = 202,672,550.24/x
  3. Step 3: Cross multiply
    280,156,648.16x = 420,872,702.76 × 202,672,550.24
  4. Step 4: Simplify right side
    280,156,648.16x = 85,299,343,994,770,688
  5. Step 5: Solve for x
    x = 85,299,343,994,770,688/280,156,648.16
  6. Step 6: Final answer
    x = 304,470,176.08

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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.