Home / 124,659,342.40-186,989,013.60-83,047,512.10

Finding the Fourth Proportional to 124,659,342.40, 186,989,013.60 and 83,047,512.10

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Solution

The fourth proportional to 124,659,342.40, 186,989,013.60 and 83,047,512.10 is: 124,571,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,659,342.40 : 186,989,013.60 = 83,047,512.10 : x
  2. Step 2: Convert to fraction form
    124,659,342.40/186,989,013.60 = 83,047,512.10/x
  3. Step 3: Cross multiply
    124,659,342.40x = 186,989,013.60 × 83,047,512.10
  4. Step 4: Simplify right side
    124,659,342.40x = 15,528,972,369,513,062
  5. Step 5: Solve for x
    x = 15,528,972,369,513,062/124,659,342.40
  6. Step 6: Final answer
    x = 124,571,268.15

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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.