Home / 292,549,711.78-403,719,141.82-158,587,213.78

Finding the Fourth Proportional to 292,549,711.78, 403,719,141.82 and 158,587,213.78

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Solution

The fourth proportional to 292,549,711.78, 403,719,141.82 and 158,587,213.78 is: 218,850,647.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,549,711.78 : 403,719,141.82 = 158,587,213.78 : x
  2. Step 2: Convert to fraction form
    292,549,711.78/403,719,141.82 = 158,587,213.78/x
  3. Step 3: Cross multiply
    292,549,711.78x = 403,719,141.82 × 158,587,213.78
  4. Step 4: Simplify right side
    292,549,711.78x = 64,024,693,850,886,480
  5. Step 5: Solve for x
    x = 64,024,693,850,886,480/292,549,711.78
  6. Step 6: Final answer
    x = 218,850,647.51

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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.