Home / 266,077,121.60-399,264,981.60-112,697,076.80

Finding the Fourth Proportional to 266,077,121.60, 399,264,981.60 and 112,697,076.80

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Solution

The fourth proportional to 266,077,121.60, 399,264,981.60 and 112,697,076.80 is: 169,108,850.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,077,121.60 : 399,264,981.60 = 112,697,076.80 : x
  2. Step 2: Convert to fraction form
    266,077,121.60/399,264,981.60 = 112,697,076.80/x
  3. Step 3: Cross multiply
    266,077,121.60x = 399,264,981.60 × 112,697,076.80
  4. Step 4: Simplify right side
    266,077,121.60x = 44,995,996,294,925,792
  5. Step 5: Solve for x
    x = 44,995,996,294,925,792/266,077,121.60
  6. Step 6: Final answer
    x = 169,108,850.94

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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.