Home / 162,258,657.30-223,917,726.78-87,919,198.20

Finding the Fourth Proportional to 162,258,657.30, 223,917,726.78 and 87,919,198.20

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Solution

The fourth proportional to 162,258,657.30, 223,917,726.78 and 87,919,198.20 is: 121,328,916.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,258,657.30 : 223,917,726.78 = 87,919,198.20 : x
  2. Step 2: Convert to fraction form
    162,258,657.30/223,917,726.78 = 87,919,198.20/x
  3. Step 3: Cross multiply
    162,258,657.30x = 223,917,726.78 × 87,919,198.20
  4. Step 4: Simplify right side
    162,258,657.30x = 19,686,667,001,264,268
  5. Step 5: Solve for x
    x = 19,686,667,001,264,268/162,258,657.30
  6. Step 6: Final answer
    x = 121,328,916.00

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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.