Home / 157,638,916.35-217,542,176.96-88,026,837.57

Finding the Fourth Proportional to 157,638,916.35, 217,542,176.96 and 88,026,837.57

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Solution

The fourth proportional to 157,638,916.35, 217,542,176.96 and 88,026,837.57 is: 121,477,299.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,638,916.35 : 217,542,176.96 = 88,026,837.57 : x
  2. Step 2: Convert to fraction form
    157,638,916.35/217,542,176.96 = 88,026,837.57/x
  3. Step 3: Cross multiply
    157,638,916.35x = 217,542,176.96 × 88,026,837.57
  4. Step 4: Simplify right side
    157,638,916.35x = 19,149,549,875,441,980
  5. Step 5: Solve for x
    x = 19,149,549,875,441,980/157,638,916.35
  6. Step 6: Final answer
    x = 121,477,299.63

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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.