Home / 205,831,121.49-284,179,878.90-127,598,282.37

Finding the Fourth Proportional to 205,831,121.49, 284,179,878.90 and 127,598,282.37

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Solution

The fourth proportional to 205,831,121.49, 284,179,878.90 and 127,598,282.37 is: 176,168,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,831,121.49 : 284,179,878.90 = 127,598,282.37 : x
  2. Step 2: Convert to fraction form
    205,831,121.49/284,179,878.90 = 127,598,282.37/x
  3. Step 3: Cross multiply
    205,831,121.49x = 284,179,878.90 × 127,598,282.37
  4. Step 4: Simplify right side
    205,831,121.49x = 36,260,864,431,754,600
  5. Step 5: Solve for x
    x = 36,260,864,431,754,600/205,831,121.49
  6. Step 6: Final answer
    x = 176,168,036.05

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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.