Home / 274,829,121-379,264,974.30-157,356,253.08

Finding the Fourth Proportional to 274,829,121, 379,264,974.30 and 157,356,253.08

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Solution

The fourth proportional to 274,829,121, 379,264,974.30 and 157,356,253.08 is: 217,152,080.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,829,121 : 379,264,974.30 = 157,356,253.08 : x
  2. Step 2: Convert to fraction form
    274,829,121/379,264,974.30 = 157,356,253.08/x
  3. Step 3: Cross multiply
    274,829,121x = 379,264,974.30 × 157,356,253.08
  4. Step 4: Simplify right side
    274,829,121x = 59,679,715,280,330,504
  5. Step 5: Solve for x
    x = 59,679,715,280,330,504/274,829,121
  6. Step 6: Final answer
    x = 217,152,080.04

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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.