Home / 69,834,493.12-96,374,604.96-38,894,676.16

Finding the Fourth Proportional to 69,834,493.12, 96,374,604.96 and 38,894,676.16

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Solution

The fourth proportional to 69,834,493.12, 96,374,604.96 and 38,894,676.16 is: 53,676,326.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,834,493.12 : 96,374,604.96 = 38,894,676.16 : x
  2. Step 2: Convert to fraction form
    69,834,493.12/96,374,604.96 = 38,894,676.16/x
  3. Step 3: Cross multiply
    69,834,493.12x = 96,374,604.96 × 38,894,676.16
  4. Step 4: Simplify right side
    69,834,493.12x = 3,748,459,049,967,129
  5. Step 5: Solve for x
    x = 3,748,459,049,967,129/69,834,493.12
  6. Step 6: Final answer
    x = 53,676,326.45

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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.