Home / 124,659,346.40-186,989,019.60-83,047,516.10

Finding the Fourth Proportional to 124,659,346.40, 186,989,019.60 and 83,047,516.10

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Solution

The fourth proportional to 124,659,346.40, 186,989,019.60 and 83,047,516.10 is: 124,571,274.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,659,346.40 : 186,989,019.60 = 83,047,516.10 : x
  2. Step 2: Convert to fraction form
    124,659,346.40/186,989,019.60 = 83,047,516.10/x
  3. Step 3: Cross multiply
    124,659,346.40x = 186,989,019.60 × 83,047,516.10
  4. Step 4: Simplify right side
    124,659,346.40x = 15,528,973,615,754,214
  5. Step 5: Solve for x
    x = 15,528,973,615,754,214/124,659,346.40
  6. Step 6: Final answer
    x = 124,571,274.15

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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.