Home / 278,184,042.40-417,276,063.60-163,223,658.40

Finding the Fourth Proportional to 278,184,042.40, 417,276,063.60 and 163,223,658.40

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Solution

The fourth proportional to 278,184,042.40, 417,276,063.60 and 163,223,658.40 is: 244,835,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,184,042.40 : 417,276,063.60 = 163,223,658.40 : x
  2. Step 2: Convert to fraction form
    278,184,042.40/417,276,063.60 = 163,223,658.40/x
  3. Step 3: Cross multiply
    278,184,042.40x = 417,276,063.60 × 163,223,658.40
  4. Step 4: Simplify right side
    278,184,042.40x = 68,109,325,663,543,080
  5. Step 5: Solve for x
    x = 68,109,325,663,543,080/278,184,042.40
  6. Step 6: Final answer
    x = 244,835,487.60

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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.