Home / 81,250,882.77-121,885,572.45-29,459,875.57

Finding the Fourth Proportional to 81,250,882.77, 121,885,572.45 and 29,459,875.57

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Solution

The fourth proportional to 81,250,882.77, 121,885,572.45 and 29,459,875.57 is: 44,193,166.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,250,882.77 : 121,885,572.45 = 29,459,875.57 : x
  2. Step 2: Convert to fraction form
    81,250,882.77/121,885,572.45 = 29,459,875.57/x
  3. Step 3: Cross multiply
    81,250,882.77x = 121,885,572.45 × 29,459,875.57
  4. Step 4: Simplify right side
    81,250,882.77x = 3,590,733,797,960,980.50
  5. Step 5: Solve for x
    x = 3,590,733,797,960,980.50/81,250,882.77
  6. Step 6: Final answer
    x = 44,193,166.59

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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.