Home / 157,778,805-236,668,203.82-42,763,345.04

Finding the Fourth Proportional to 157,778,805, 236,668,203.82 and 42,763,345.04

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Solution

The fourth proportional to 157,778,805, 236,668,203.82 and 42,763,345.04 is: 64,145,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,778,805 : 236,668,203.82 = 42,763,345.04 : x
  2. Step 2: Convert to fraction form
    157,778,805/236,668,203.82 = 42,763,345.04/x
  3. Step 3: Cross multiply
    157,778,805x = 236,668,203.82 × 42,763,345.04
  4. Step 4: Simplify right side
    157,778,805x = 10,120,724,059,951,706
  5. Step 5: Solve for x
    x = 10,120,724,059,951,706/157,778,805
  6. Step 6: Final answer
    x = 64,145,016.56

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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.