Home / 178,477,129.35-267,727,992.48-74,741,888.39

Finding the Fourth Proportional to 178,477,129.35, 267,727,992.48 and 74,741,888.39

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Solution

The fourth proportional to 178,477,129.35, 267,727,992.48 and 74,741,888.39 is: 112,117,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,477,129.35 : 267,727,992.48 = 74,741,888.39 : x
  2. Step 2: Convert to fraction form
    178,477,129.35/267,727,992.48 = 74,741,888.39/x
  3. Step 3: Cross multiply
    178,477,129.35x = 267,727,992.48 × 74,741,888.39
  4. Step 4: Simplify right side
    178,477,129.35x = 20,010,495,731,480,280
  5. Step 5: Solve for x
    x = 20,010,495,731,480,280/178,477,129.35
  6. Step 6: Final answer
    x = 112,117,982.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.