Home / 124,573,711.40-186,804,579.90-47,871,247.40

Finding the Fourth Proportional to 124,573,711.40, 186,804,579.90 and 47,871,247.40

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Solution

The fourth proportional to 124,573,711.40, 186,804,579.90 and 47,871,247.40 is: 71,785,356.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,573,711.40 : 186,804,579.90 = 47,871,247.40 : x
  2. Step 2: Convert to fraction form
    124,573,711.40/186,804,579.90 = 47,871,247.40/x
  3. Step 3: Cross multiply
    124,573,711.40x = 186,804,579.90 × 47,871,247.40
  4. Step 4: Simplify right side
    124,573,711.40x = 8,942,568,259,845,967
  5. Step 5: Solve for x
    x = 8,942,568,259,845,967/124,573,711.40
  6. Step 6: Final answer
    x = 71,785,356.31

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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.