Home / 101,637,261.50-140,260,261.60-55,227,515.42

Finding the Fourth Proportional to 101,637,261.50, 140,260,261.60 and 55,227,515.42

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Solution

The fourth proportional to 101,637,261.50, 140,260,261.60 and 55,227,515.42 is: 76,214,428.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,637,261.50 : 140,260,261.60 = 55,227,515.42 : x
  2. Step 2: Convert to fraction form
    101,637,261.50/140,260,261.60 = 55,227,515.42/x
  3. Step 3: Cross multiply
    101,637,261.50x = 140,260,261.60 × 55,227,515.42
  4. Step 4: Simplify right side
    101,637,261.50x = 7,746,225,760,327,234
  5. Step 5: Solve for x
    x = 7,746,225,760,327,234/101,637,261.50
  6. Step 6: Final answer
    x = 76,214,428.11

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1.5x scale

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.