Home / 127,948,861.60-191,923,292.40-37,075,415.20

Finding the Fourth Proportional to 127,948,861.60, 191,923,292.40 and 37,075,415.20

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Solution

The fourth proportional to 127,948,861.60, 191,923,292.40 and 37,075,415.20 is: 55,613,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,948,861.60 : 191,923,292.40 = 37,075,415.20 : x
  2. Step 2: Convert to fraction form
    127,948,861.60/191,923,292.40 = 37,075,415.20/x
  3. Step 3: Cross multiply
    127,948,861.60x = 191,923,292.40 × 37,075,415.20
  4. Step 4: Simplify right side
    127,948,861.60x = 7,115,635,752,281,005
  5. Step 5: Solve for x
    x = 7,115,635,752,281,005/127,948,861.60
  6. Step 6: Final answer
    x = 55,613,122.80

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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.