Home / 67,885,605.45-93,692,008.13-38,119,595.04

Finding the Fourth Proportional to 67,885,605.45, 93,692,008.13 and 38,119,595.04

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Solution

The fourth proportional to 67,885,605.45, 93,692,008.13 and 38,119,595.04 is: 52,610,584.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,885,605.45 : 93,692,008.13 = 38,119,595.04 : x
  2. Step 2: Convert to fraction form
    67,885,605.45/93,692,008.13 = 38,119,595.04/x
  3. Step 3: Cross multiply
    67,885,605.45x = 93,692,008.13 × 38,119,595.04
  4. Step 4: Simplify right side
    67,885,605.45x = 3,571,501,408,209,389.50
  5. Step 5: Solve for x
    x = 3,571,501,408,209,389.50/67,885,605.45
  6. Step 6: Final answer
    x = 52,610,584.89

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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.