Home / 127,948,811.60-191,923,217.40-37,075,365.20

Finding the Fourth Proportional to 127,948,811.60, 191,923,217.40 and 37,075,365.20

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Solution

The fourth proportional to 127,948,811.60, 191,923,217.40 and 37,075,365.20 is: 55,613,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,948,811.60 : 191,923,217.40 = 37,075,365.20 : x
  2. Step 2: Convert to fraction form
    127,948,811.60/191,923,217.40 = 37,075,365.20/x
  3. Step 3: Cross multiply
    127,948,811.60x = 191,923,217.40 × 37,075,365.20
  4. Step 4: Simplify right side
    127,948,811.60x = 7,115,623,375,463,995
  5. Step 5: Solve for x
    x = 7,115,623,375,463,995/127,948,811.60
  6. Step 6: Final answer
    x = 55,613,047.80

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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.