Home / 132,866,999.40-199,300,499.10-100,130,233.80

Finding the Fourth Proportional to 132,866,999.40, 199,300,499.10 and 100,130,233.80

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Solution

The fourth proportional to 132,866,999.40, 199,300,499.10 and 100,130,233.80 is: 150,195,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,866,999.40 : 199,300,499.10 = 100,130,233.80 : x
  2. Step 2: Convert to fraction form
    132,866,999.40/199,300,499.10 = 100,130,233.80/x
  3. Step 3: Cross multiply
    132,866,999.40x = 199,300,499.10 × 100,130,233.80
  4. Step 4: Simplify right side
    132,866,999.40x = 19,956,005,571,339,688
  5. Step 5: Solve for x
    x = 19,956,005,571,339,688/132,866,999.40
  6. Step 6: Final answer
    x = 150,195,350.70

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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.