Home / 101,869,513.11-140,575,517.82-55,459,929.69

Finding the Fourth Proportional to 101,869,513.11, 140,575,517.82 and 55,459,929.69

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Solution

The fourth proportional to 101,869,513.11, 140,575,517.82 and 55,459,929.69 is: 76,532,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,869,513.11 : 140,575,517.82 = 55,459,929.69 : x
  2. Step 2: Convert to fraction form
    101,869,513.11/140,575,517.82 = 55,459,929.69/x
  3. Step 3: Cross multiply
    101,869,513.11x = 140,575,517.82 × 55,459,929.69
  4. Step 4: Simplify right side
    101,869,513.11x = 7,796,308,334,432,541
  5. Step 5: Solve for x
    x = 7,796,308,334,432,541/101,869,513.11
  6. Step 6: Final answer
    x = 76,532,301.93

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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.