Home / 206,310,820,501.44-309,607,590,572.04-72,005,310,565.12

Finding the Fourth Proportional to 206,310,820,501.44, 309,607,590,572.04 and 72,005,310,565.12

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Solution

The fourth proportional to 206,310,820,501.44, 309,607,590,572.04 and 72,005,310,565.12 is: 108,057,302,366.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,310,820,501.44 : 309,607,590,572.04 = 72,005,310,565.12 : x
  2. Step 2: Convert to fraction form
    206,310,820,501.44/309,607,590,572.04 = 72,005,310,565.12/x
  3. Step 3: Cross multiply
    206,310,820,501.44x = 309,607,590,572.04 × 72,005,310,565.12
  4. Step 4: Simplify right side
    206,310,820,501.44x = 22,293,390,712,458,253,959,168
  5. Step 5: Solve for x
    x = 22,293,390,712,458,253,959,168/206,310,820,501.44
  6. Step 6: Final answer
    x = 108,057,302,366.76

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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.