Home / 66,971,000.80-100,456,501.20-32,914,194.40

Finding the Fourth Proportional to 66,971,000.80, 100,456,501.20 and 32,914,194.40

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Solution

The fourth proportional to 66,971,000.80, 100,456,501.20 and 32,914,194.40 is: 49,371,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,971,000.80 : 100,456,501.20 = 32,914,194.40 : x
  2. Step 2: Convert to fraction form
    66,971,000.80/100,456,501.20 = 32,914,194.40/x
  3. Step 3: Cross multiply
    66,971,000.80x = 100,456,501.20 × 32,914,194.40
  4. Step 4: Simplify right side
    66,971,000.80x = 3,306,444,809,240,633
  5. Step 5: Solve for x
    x = 3,306,444,809,240,633/66,971,000.80
  6. Step 6: Final answer
    x = 49,371,291.60

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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.