Home / 162,258,845.67-223,917,403.85-87,919,348.71

Finding the Fourth Proportional to 162,258,845.67, 223,917,403.85 and 87,919,348.71

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Solution

The fourth proportional to 162,258,845.67, 223,917,403.85 and 87,919,348.71 is: 121,328,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,258,845.67 : 223,917,403.85 = 87,919,348.71 : x
  2. Step 2: Convert to fraction form
    162,258,845.67/223,917,403.85 = 87,919,348.71/x
  3. Step 3: Cross multiply
    162,258,845.67x = 223,917,403.85 × 87,919,348.71
  4. Step 4: Simplify right side
    162,258,845.67x = 19,686,672,311,326,044
  5. Step 5: Solve for x
    x = 19,686,672,311,326,044/162,258,845.67
  6. Step 6: Final answer
    x = 121,328,807.87

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