Home / 133,020,240.90-199,596,716.55-75,556,637.70

Finding the Fourth Proportional to 133,020,240.90, 199,596,716.55 and 75,556,637.70

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Solution

The fourth proportional to 133,020,240.90, 199,596,716.55 and 75,556,637.70 is: 113,372,646.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,020,240.90 : 199,596,716.55 = 75,556,637.70 : x
  2. Step 2: Convert to fraction form
    133,020,240.90/199,596,716.55 = 75,556,637.70/x
  3. Step 3: Cross multiply
    133,020,240.90x = 199,596,716.55 × 75,556,637.70
  4. Step 4: Simplify right side
    133,020,240.90x = 15,080,856,798,477,946
  5. Step 5: Solve for x
    x = 15,080,856,798,477,946/133,020,240.90
  6. Step 6: Final answer
    x = 113,372,646.87

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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.