Home / 71,975,461.16-99,325,837.23-38,935,628.84

Finding the Fourth Proportional to 71,975,461.16, 99,325,837.23 and 38,935,628.84

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Solution

The fourth proportional to 71,975,461.16, 99,325,837.23 and 38,935,628.84 is: 53,731,005.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,975,461.16 : 99,325,837.23 = 38,935,628.84 : x
  2. Step 2: Convert to fraction form
    71,975,461.16/99,325,837.23 = 38,935,628.84/x
  3. Step 3: Cross multiply
    71,975,461.16x = 99,325,837.23 × 38,935,628.84
  4. Step 4: Simplify right side
    71,975,461.16x = 3,867,313,932,609,534
  5. Step 5: Solve for x
    x = 3,867,313,932,609,534/71,975,461.16
  6. Step 6: Final answer
    x = 53,731,005.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.