Home / 117,431,325.90-176,146,988.85-85,014,737.10

Finding the Fourth Proportional to 117,431,325.90, 176,146,988.85 and 85,014,737.10

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Solution

The fourth proportional to 117,431,325.90, 176,146,988.85 and 85,014,737.10 is: 127,522,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,431,325.90 : 176,146,988.85 = 85,014,737.10 : x
  2. Step 2: Convert to fraction form
    117,431,325.90/176,146,988.85 = 85,014,737.10/x
  3. Step 3: Cross multiply
    117,431,325.90x = 176,146,988.85 × 85,014,737.10
  4. Step 4: Simplify right side
    117,431,325.90x = 14,975,089,948,039,380
  5. Step 5: Solve for x
    x = 14,975,089,948,039,380/117,431,325.90
  6. Step 6: Final answer
    x = 127,522,105.65

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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.