Home / 66,428,229.40-99,642,344.10-30,596,421.40

Finding the Fourth Proportional to 66,428,229.40, 99,642,344.10 and 30,596,421.40

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Solution

The fourth proportional to 66,428,229.40, 99,642,344.10 and 30,596,421.40 is: 45,894,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,428,229.40 : 99,642,344.10 = 30,596,421.40 : x
  2. Step 2: Convert to fraction form
    66,428,229.40/99,642,344.10 = 30,596,421.40/x
  3. Step 3: Cross multiply
    66,428,229.40x = 99,642,344.10 × 30,596,421.40
  4. Step 4: Simplify right side
    66,428,229.40x = 3,048,699,149,367,403.50
  5. Step 5: Solve for x
    x = 3,048,699,149,367,403.50/66,428,229.40
  6. Step 6: Final answer
    x = 45,894,632.10

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Double scale
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Similar ratio
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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.