Home / 149,781,661.60-224,672,492.40-73,065,200.80

Finding the Fourth Proportional to 149,781,661.60, 224,672,492.40 and 73,065,200.80

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Solution

The fourth proportional to 149,781,661.60, 224,672,492.40 and 73,065,200.80 is: 109,597,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,781,661.60 : 224,672,492.40 = 73,065,200.80 : x
  2. Step 2: Convert to fraction form
    149,781,661.60/224,672,492.40 = 73,065,200.80/x
  3. Step 3: Cross multiply
    149,781,661.60x = 224,672,492.40 × 73,065,200.80
  4. Step 4: Simplify right side
    149,781,661.60x = 16,415,740,771,442,474
  5. Step 5: Solve for x
    x = 16,415,740,771,442,474/149,781,661.60
  6. Step 6: Final answer
    x = 109,597,801.20

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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.