Home / 135,124,844.40-202,687,266.60-77,729,216.40

Finding the Fourth Proportional to 135,124,844.40, 202,687,266.60 and 77,729,216.40

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Solution

The fourth proportional to 135,124,844.40, 202,687,266.60 and 77,729,216.40 is: 116,593,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,124,844.40 : 202,687,266.60 = 77,729,216.40 : x
  2. Step 2: Convert to fraction form
    135,124,844.40/202,687,266.60 = 77,729,216.40/x
  3. Step 3: Cross multiply
    135,124,844.40x = 202,687,266.60 × 77,729,216.40
  4. Step 4: Simplify right side
    135,124,844.40x = 15,754,722,407,075,892
  5. Step 5: Solve for x
    x = 15,754,722,407,075,892/135,124,844.40
  6. Step 6: Final answer
    x = 116,593,824.60

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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.