Home / 123,941,447.40-185,912,171.10-55,916,999.40

Finding the Fourth Proportional to 123,941,447.40, 185,912,171.10 and 55,916,999.40

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Solution

The fourth proportional to 123,941,447.40, 185,912,171.10 and 55,916,999.40 is: 83,875,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,941,447.40 : 185,912,171.10 = 55,916,999.40 : x
  2. Step 2: Convert to fraction form
    123,941,447.40/185,912,171.10 = 55,916,999.40/x
  3. Step 3: Cross multiply
    123,941,447.40x = 185,912,171.10 × 55,916,999.40
  4. Step 4: Simplify right side
    123,941,447.40x = 10,395,650,759,851,396
  5. Step 5: Solve for x
    x = 10,395,650,759,851,396/123,941,447.40
  6. Step 6: Final answer
    x = 83,875,499.10

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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.