Home / 142,013,047.80-213,019,571.70-55,707,029.40

Finding the Fourth Proportional to 142,013,047.80, 213,019,571.70 and 55,707,029.40

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Solution

The fourth proportional to 142,013,047.80, 213,019,571.70 and 55,707,029.40 is: 83,560,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,013,047.80 : 213,019,571.70 = 55,707,029.40 : x
  2. Step 2: Convert to fraction form
    142,013,047.80/213,019,571.70 = 55,707,029.40/x
  3. Step 3: Cross multiply
    142,013,047.80x = 213,019,571.70 × 55,707,029.40
  4. Step 4: Simplify right side
    142,013,047.80x = 11,866,687,543,467,306
  5. Step 5: Solve for x
    x = 11,866,687,543,467,306/142,013,047.80
  6. Step 6: Final answer
    x = 83,560,544.10

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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.