Home / 124,659,347.40-186,989,021.10-83,047,517.10

Finding the Fourth Proportional to 124,659,347.40, 186,989,021.10 and 83,047,517.10

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Solution

The fourth proportional to 124,659,347.40, 186,989,021.10 and 83,047,517.10 is: 124,571,275.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,659,347.40 : 186,989,021.10 = 83,047,517.10 : x
  2. Step 2: Convert to fraction form
    124,659,347.40/186,989,021.10 = 83,047,517.10/x
  3. Step 3: Cross multiply
    124,659,347.40x = 186,989,021.10 × 83,047,517.10
  4. Step 4: Simplify right side
    124,659,347.40x = 15,528,973,927,314,510
  5. Step 5: Solve for x
    x = 15,528,973,927,314,510/124,659,347.40
  6. Step 6: Final answer
    x = 124,571,275.65

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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.