Home / 157,779,259.06-217,731,200.40-88,165,211.98

Finding the Fourth Proportional to 157,779,259.06, 217,731,200.40 and 88,165,211.98

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Solution

The fourth proportional to 157,779,259.06, 217,731,200.40 and 88,165,211.98 is: 121,665,658.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,779,259.06 : 217,731,200.40 = 88,165,211.98 : x
  2. Step 2: Convert to fraction form
    157,779,259.06/217,731,200.40 = 88,165,211.98/x
  3. Step 3: Cross multiply
    157,779,259.06x = 217,731,200.40 × 88,165,211.98
  4. Step 4: Simplify right side
    157,779,259.06x = 19,196,317,437,925,864
  5. Step 5: Solve for x
    x = 19,196,317,437,925,864/157,779,259.06
  6. Step 6: Final answer
    x = 121,665,658.42

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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.