Home / 66,428,233.65-99,642,350.48-30,596,425.65

Finding the Fourth Proportional to 66,428,233.65, 99,642,350.48 and 30,596,425.65

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Solution

The fourth proportional to 66,428,233.65, 99,642,350.48 and 30,596,425.65 is: 45,894,638.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,428,233.65 : 99,642,350.48 = 30,596,425.65 : x
  2. Step 2: Convert to fraction form
    66,428,233.65/99,642,350.48 = 30,596,425.65/x
  3. Step 3: Cross multiply
    66,428,233.65x = 99,642,350.48 × 30,596,425.65
  4. Step 4: Simplify right side
    66,428,233.65x = 3,048,699,767,899,579.50
  5. Step 5: Solve for x
    x = 3,048,699,767,899,579.50/66,428,233.65
  6. Step 6: Final answer
    x = 45,894,638.48

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Double scale
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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.