Home / 67,719,258,057.51-101,511,790,680.60-31,799,715,605.10

Finding the Fourth Proportional to 67,719,258,057.51, 101,511,790,680.60 and 31,799,715,605.10

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Solution

The fourth proportional to 67,719,258,057.51, 101,511,790,680.60 and 31,799,715,605.10 is: 47,668,066,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,719,258,057.51 : 101,511,790,680.60 = 31,799,715,605.10 : x
  2. Step 2: Convert to fraction form
    67,719,258,057.51/101,511,790,680.60 = 31,799,715,605.10/x
  3. Step 3: Cross multiply
    67,719,258,057.51x = 101,511,790,680.60 × 31,799,715,605.10
  4. Step 4: Simplify right side
    67,719,258,057.51x = 3,228,046,074,207,520,423,936
  5. Step 5: Solve for x
    x = 3,228,046,074,207,520,423,936/67,719,258,057.51
  6. Step 6: Final answer
    x = 47,668,066,172.05

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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.