Home / 157,779,258.06-217,731,199.02-88,165,210.98

Finding the Fourth Proportional to 157,779,258.06, 217,731,199.02 and 88,165,210.98

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Solution

The fourth proportional to 157,779,258.06, 217,731,199.02 and 88,165,210.98 is: 121,665,657.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,779,258.06 : 217,731,199.02 = 88,165,210.98 : x
  2. Step 2: Convert to fraction form
    157,779,258.06/217,731,199.02 = 88,165,210.98/x
  3. Step 3: Cross multiply
    157,779,258.06x = 217,731,199.02 × 88,165,210.98
  4. Step 4: Simplify right side
    157,779,258.06x = 19,196,317,098,526,672
  5. Step 5: Solve for x
    x = 19,196,317,098,526,672/157,779,258.06
  6. Step 6: Final answer
    x = 121,665,657.04

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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.