Home / 100,220,000.40-150,330,000.60-88,103,145.60

Finding the Fourth Proportional to 100,220,000.40, 150,330,000.60 and 88,103,145.60

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Solution

The fourth proportional to 100,220,000.40, 150,330,000.60 and 88,103,145.60 is: 132,154,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,220,000.40 : 150,330,000.60 = 88,103,145.60 : x
  2. Step 2: Convert to fraction form
    100,220,000.40/150,330,000.60 = 88,103,145.60/x
  3. Step 3: Cross multiply
    100,220,000.40x = 150,330,000.60 × 88,103,145.60
  4. Step 4: Simplify right side
    100,220,000.40x = 13,244,545,930,909,886
  5. Step 5: Solve for x
    x = 13,244,545,930,909,886/100,220,000.40
  6. Step 6: Final answer
    x = 132,154,718.40

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1.5x scale

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.