Home / 123,941,463.40-185,912,195.10-55,917,015.40

Finding the Fourth Proportional to 123,941,463.40, 185,912,195.10 and 55,917,015.40

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Solution

The fourth proportional to 123,941,463.40, 185,912,195.10 and 55,917,015.40 is: 83,875,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,941,463.40 : 185,912,195.10 = 55,917,015.40 : x
  2. Step 2: Convert to fraction form
    123,941,463.40/185,912,195.10 = 55,917,015.40/x
  3. Step 3: Cross multiply
    123,941,463.40x = 185,912,195.10 × 55,917,015.40
  4. Step 4: Simplify right side
    123,941,463.40x = 10,395,655,076,454,504
  5. Step 5: Solve for x
    x = 10,395,655,076,454,504/123,941,463.40
  6. Step 6: Final answer
    x = 83,875,523.10

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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.