Home / 265,678,850.55-398,592,925.43-129,368,680.95

Finding the Fourth Proportional to 265,678,850.55, 398,592,925.43 and 129,368,680.95

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Solution

The fourth proportional to 265,678,850.55, 398,592,925.43 and 129,368,680.95 is: 194,089,371.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,678,850.55 : 398,592,925.43 = 129,368,680.95 : x
  2. Step 2: Convert to fraction form
    265,678,850.55/398,592,925.43 = 129,368,680.95/x
  3. Step 3: Cross multiply
    265,678,850.55x = 398,592,925.43 × 129,368,680.95
  4. Step 4: Simplify right side
    265,678,850.55x = 51,565,440,998,233,968
  5. Step 5: Solve for x
    x = 51,565,440,998,233,968/265,678,850.55
  6. Step 6: Final answer
    x = 194,089,371.03

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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.