Home / 85,943,503-128,918,812.02-25,359,229

Finding the Fourth Proportional to 85,943,503, 128,918,812.02 and 25,359,229

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Solution

The fourth proportional to 85,943,503, 128,918,812.02 and 25,359,229 is: 38,039,893.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,943,503 : 128,918,812.02 = 25,359,229 : x
  2. Step 2: Convert to fraction form
    85,943,503/128,918,812.02 = 25,359,229/x
  3. Step 3: Cross multiply
    85,943,503x = 128,918,812.02 × 25,359,229
  4. Step 4: Simplify right side
    85,943,503x = 3,269,281,676,423,132.50
  5. Step 5: Solve for x
    x = 3,269,281,676,423,132.50/85,943,503
  6. Step 6: Final answer
    x = 38,039,893.21

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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.