Home / 90,512,875.38-124,920,930.04-50,824,861.50

Finding the Fourth Proportional to 90,512,875.38, 124,920,930.04 and 50,824,861.50

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Solution

The fourth proportional to 90,512,875.38, 124,920,930.04 and 50,824,861.50 is: 70,145,699.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,512,875.38 : 124,920,930.04 = 50,824,861.50 : x
  2. Step 2: Convert to fraction form
    90,512,875.38/124,920,930.04 = 50,824,861.50/x
  3. Step 3: Cross multiply
    90,512,875.38x = 124,920,930.04 × 50,824,861.50
  4. Step 4: Simplify right side
    90,512,875.38x = 6,349,088,967,734,190
  5. Step 5: Solve for x
    x = 6,349,088,967,734,190/90,512,875.38
  6. Step 6: Final answer
    x = 70,145,699.62

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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.