Home / 133,020,240.40-199,596,715.80-75,556,637.20

Finding the Fourth Proportional to 133,020,240.40, 199,596,715.80 and 75,556,637.20

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Solution

The fourth proportional to 133,020,240.40, 199,596,715.80 and 75,556,637.20 is: 113,372,646.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,020,240.40 : 199,596,715.80 = 75,556,637.20 : x
  2. Step 2: Convert to fraction form
    133,020,240.40/199,596,715.80 = 75,556,637.20/x
  3. Step 3: Cross multiply
    133,020,240.40x = 199,596,715.80 × 75,556,637.20
  4. Step 4: Simplify right side
    133,020,240.40x = 15,080,856,642,012,110
  5. Step 5: Solve for x
    x = 15,080,856,642,012,110/133,020,240.40
  6. Step 6: Final answer
    x = 113,372,646.12

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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.