Home / 149,443,801.20-224,207,692.20-72,769,330.80

Finding the Fourth Proportional to 149,443,801.20, 224,207,692.20 and 72,769,330.80

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Solution

The fourth proportional to 149,443,801.20, 224,207,692.20 and 72,769,330.80 is: 109,174,442.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,443,801.20 : 224,207,692.20 = 72,769,330.80 : x
  2. Step 2: Convert to fraction form
    149,443,801.20/224,207,692.20 = 72,769,330.80/x
  3. Step 3: Cross multiply
    149,443,801.20x = 224,207,692.20 × 72,769,330.80
  4. Step 4: Simplify right side
    149,443,801.20x = 16,315,443,721,606,378
  5. Step 5: Solve for x
    x = 16,315,443,721,606,378/149,443,801.20
  6. Step 6: Final answer
    x = 109,174,442.77

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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.