Home / 66,703,590.80-100,055,386.20-66,065,861.60

Finding the Fourth Proportional to 66,703,590.80, 100,055,386.20 and 66,065,861.60

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Solution

The fourth proportional to 66,703,590.80, 100,055,386.20 and 66,065,861.60 is: 99,098,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,703,590.80 : 100,055,386.20 = 66,065,861.60 : x
  2. Step 2: Convert to fraction form
    66,703,590.80/100,055,386.20 = 66,065,861.60/x
  3. Step 3: Cross multiply
    66,703,590.80x = 100,055,386.20 × 66,065,861.60
  4. Step 4: Simplify right side
    66,703,590.80x = 6,610,245,297,023,750
  5. Step 5: Solve for x
    x = 6,610,245,297,023,750/66,703,590.80
  6. Step 6: Final answer
    x = 99,098,792.40

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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.