Home / 61,644,401.92-85,037,022.53-38,115,417.36

Finding the Fourth Proportional to 61,644,401.92, 85,037,022.53 and 38,115,417.36

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Solution

The fourth proportional to 61,644,401.92, 85,037,022.53 and 38,115,417.36 is: 52,579,334.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,644,401.92 : 85,037,022.53 = 38,115,417.36 : x
  2. Step 2: Convert to fraction form
    61,644,401.92/85,037,022.53 = 38,115,417.36/x
  3. Step 3: Cross multiply
    61,644,401.92x = 85,037,022.53 × 38,115,417.36
  4. Step 4: Simplify right side
    61,644,401.92x = 3,241,221,604,789,983.50
  5. Step 5: Solve for x
    x = 3,241,221,604,789,983.50/61,644,401.92
  6. Step 6: Final answer
    x = 52,579,334.11

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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.