Home / 124,573,687.40-186,804,543.90-47,871,223.40

Finding the Fourth Proportional to 124,573,687.40, 186,804,543.90 and 47,871,223.40

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Solution

The fourth proportional to 124,573,687.40, 186,804,543.90 and 47,871,223.40 is: 71,785,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,573,687.40 : 186,804,543.90 = 47,871,223.40 : x
  2. Step 2: Convert to fraction form
    124,573,687.40/186,804,543.90 = 47,871,223.40/x
  3. Step 3: Cross multiply
    124,573,687.40x = 186,804,543.90 × 47,871,223.40
  4. Step 4: Simplify right side
    124,573,687.40x = 8,942,562,053,172,007
  5. Step 5: Solve for x
    x = 8,942,562,053,172,007/124,573,687.40
  6. Step 6: Final answer
    x = 71,785,320.32

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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.