Home / 124,573,686.90-186,804,543.15-47,871,222.90

Finding the Fourth Proportional to 124,573,686.90, 186,804,543.15 and 47,871,222.90

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Solution

The fourth proportional to 124,573,686.90, 186,804,543.15 and 47,871,222.90 is: 71,785,319.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,573,686.90 : 186,804,543.15 = 47,871,222.90 : x
  2. Step 2: Convert to fraction form
    124,573,686.90/186,804,543.15 = 47,871,222.90/x
  3. Step 3: Cross multiply
    124,573,686.90x = 186,804,543.15 × 47,871,222.90
  4. Step 4: Simplify right side
    124,573,686.90x = 8,942,561,923,866,318
  5. Step 5: Solve for x
    x = 8,942,561,923,866,318/124,573,686.90
  6. Step 6: Final answer
    x = 71,785,319.57

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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.