Home / 252,789,667.32-348,832,120.68-142,760,122.68

Finding the Fourth Proportional to 252,789,667.32, 348,832,120.68 and 142,760,122.68

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Solution

The fourth proportional to 252,789,667.32, 348,832,120.68 and 142,760,122.68 is: 196,999,018.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,789,667.32 : 348,832,120.68 = 142,760,122.68 : x
  2. Step 2: Convert to fraction form
    252,789,667.32/348,832,120.68 = 142,760,122.68/x
  3. Step 3: Cross multiply
    252,789,667.32x = 348,832,120.68 × 142,760,122.68
  4. Step 4: Simplify right side
    252,789,667.32x = 49,799,316,343,001,368
  5. Step 5: Solve for x
    x = 49,799,316,343,001,368/252,789,667.32
  6. Step 6: Final answer
    x = 196,999,018.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.