Home / 149,782,521.60-224,673,782.40-127,163,692.80

Finding the Fourth Proportional to 149,782,521.60, 224,673,782.40 and 127,163,692.80

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Solution

The fourth proportional to 149,782,521.60, 224,673,782.40 and 127,163,692.80 is: 190,745,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,782,521.60 : 224,673,782.40 = 127,163,692.80 : x
  2. Step 2: Convert to fraction form
    149,782,521.60/224,673,782.40 = 127,163,692.80/x
  3. Step 3: Cross multiply
    149,782,521.60x = 224,673,782.40 × 127,163,692.80
  4. Step 4: Simplify right side
    149,782,521.60x = 28,570,347,845,327,648
  5. Step 5: Solve for x
    x = 28,570,347,845,327,648/149,782,521.60
  6. Step 6: Final answer
    x = 190,745,539.20

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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.