Home / 85,897,696.66-128,829,916.40-33,375,278.75

Finding the Fourth Proportional to 85,897,696.66, 128,829,916.40 and 33,375,278.75

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Solution

The fourth proportional to 85,897,696.66, 128,829,916.40 and 33,375,278.75 is: 50,056,457.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,897,696.66 : 128,829,916.40 = 33,375,278.75 : x
  2. Step 2: Convert to fraction form
    85,897,696.66/128,829,916.40 = 33,375,278.75/x
  3. Step 3: Cross multiply
    85,897,696.66x = 128,829,916.40 × 33,375,278.75
  4. Step 4: Simplify right side
    85,897,696.66x = 4,299,734,370,378,170.50
  5. Step 5: Solve for x
    x = 4,299,734,370,378,170.50/85,897,696.66
  6. Step 6: Final answer
    x = 50,056,457.13

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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.