Home / 157,779,256.05-217,731,196.26-88,165,208.97

Finding the Fourth Proportional to 157,779,256.05, 217,731,196.26 and 88,165,208.97

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Solution

The fourth proportional to 157,779,256.05, 217,731,196.26 and 88,165,208.97 is: 121,665,654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,779,256.05 : 217,731,196.26 = 88,165,208.97 : x
  2. Step 2: Convert to fraction form
    157,779,256.05/217,731,196.26 = 88,165,208.97/x
  3. Step 3: Cross multiply
    157,779,256.05x = 217,731,196.26 × 88,165,208.97
  4. Step 4: Simplify right side
    157,779,256.05x = 19,196,316,417,550,980
  5. Step 5: Solve for x
    x = 19,196,316,417,550,980/157,779,256.05
  6. Step 6: Final answer
    x = 121,665,654.27

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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.