Home / 100,501,631.40-150,752,447.10-66,064,254.60

Finding the Fourth Proportional to 100,501,631.40, 150,752,447.10 and 66,064,254.60

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Solution

The fourth proportional to 100,501,631.40, 150,752,447.10 and 66,064,254.60 is: 99,096,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,501,631.40 : 150,752,447.10 = 66,064,254.60 : x
  2. Step 2: Convert to fraction form
    100,501,631.40/150,752,447.10 = 66,064,254.60/x
  3. Step 3: Cross multiply
    100,501,631.40x = 150,752,447.10 × 66,064,254.60
  4. Step 4: Simplify right side
    100,501,631.40x = 9,959,348,046,787,432
  5. Step 5: Solve for x
    x = 9,959,348,046,787,432/100,501,631.40
  6. Step 6: Final answer
    x = 99,096,381.90

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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.