Home / 90,416,830.68-135,612,470.46-28,998,007.32

Finding the Fourth Proportional to 90,416,830.68, 135,612,470.46 and 28,998,007.32

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Solution

The fourth proportional to 90,416,830.68, 135,612,470.46 and 28,998,007.32 is: 43,492,913.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,416,830.68 : 135,612,470.46 = 28,998,007.32 : x
  2. Step 2: Convert to fraction form
    90,416,830.68/135,612,470.46 = 28,998,007.32/x
  3. Step 3: Cross multiply
    90,416,830.68x = 135,612,470.46 × 28,998,007.32
  4. Step 4: Simplify right side
    90,416,830.68x = 3,932,491,411,082,364
  5. Step 5: Solve for x
    x = 3,932,491,411,082,364/90,416,830.68
  6. Step 6: Final answer
    x = 43,492,913.67

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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.