Home / 103,427,576.80-155,141,365.20-45,858,738.40

Finding the Fourth Proportional to 103,427,576.80, 155,141,365.20 and 45,858,738.40

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Solution

The fourth proportional to 103,427,576.80, 155,141,365.20 and 45,858,738.40 is: 68,788,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,427,576.80 : 155,141,365.20 = 45,858,738.40 : x
  2. Step 2: Convert to fraction form
    103,427,576.80/155,141,365.20 = 45,858,738.40/x
  3. Step 3: Cross multiply
    103,427,576.80x = 155,141,365.20 × 45,858,738.40
  4. Step 4: Simplify right side
    103,427,576.80x = 7,114,587,281,725,663
  5. Step 5: Solve for x
    x = 7,114,587,281,725,663/103,427,576.80
  6. Step 6: Final answer
    x = 68,788,107.60

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1.5x scale

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.