Home / 199,691,503.61-275,568,988.80-111,586,225.28

Finding the Fourth Proportional to 199,691,503.61, 275,568,988.80 and 111,586,225.28

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Solution

The fourth proportional to 199,691,503.61, 275,568,988.80 and 111,586,225.28 is: 153,986,037.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,691,503.61 : 275,568,988.80 = 111,586,225.28 : x
  2. Step 2: Convert to fraction form
    199,691,503.61/275,568,988.80 = 111,586,225.28/x
  3. Step 3: Cross multiply
    199,691,503.61x = 275,568,988.80 × 111,586,225.28
  4. Step 4: Simplify right side
    199,691,503.61x = 30,749,703,264,418,600
  5. Step 5: Solve for x
    x = 30,749,703,264,418,600/199,691,503.61
  6. Step 6: Final answer
    x = 153,986,037.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.