Home / 45,549,276.80-68,323,915.20-18,642,243.20

Finding the Fourth Proportional to 45,549,276.80, 68,323,915.20 and 18,642,243.20

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Solution

The fourth proportional to 45,549,276.80, 68,323,915.20 and 18,642,243.20 is: 27,963,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,549,276.80 : 68,323,915.20 = 18,642,243.20 : x
  2. Step 2: Convert to fraction form
    45,549,276.80/68,323,915.20 = 18,642,243.20/x
  3. Step 3: Cross multiply
    45,549,276.80x = 68,323,915.20 × 18,642,243.20
  4. Step 4: Simplify right side
    45,549,276.80x = 1,273,711,043,534,576.75
  5. Step 5: Solve for x
    x = 1,273,711,043,534,576.75/45,549,276.80
  6. Step 6: Final answer
    x = 27,963,364.80

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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.