Home / 199,400,171.61-299,124,126.15-61,207,667.77

Finding the Fourth Proportional to 199,400,171.61, 299,124,126.15 and 61,207,667.77

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Solution

The fourth proportional to 199,400,171.61, 299,124,126.15 and 61,207,667.77 is: 91,818,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,400,171.61 : 299,124,126.15 = 61,207,667.77 : x
  2. Step 2: Convert to fraction form
    199,400,171.61/299,124,126.15 = 61,207,667.77/x
  3. Step 3: Cross multiply
    199,400,171.61x = 299,124,126.15 × 61,207,667.77
  4. Step 4: Simplify right side
    199,400,171.61x = 18,308,690,134,964,288
  5. Step 5: Solve for x
    x = 18,308,690,134,964,288/199,400,171.61
  6. Step 6: Final answer
    x = 91,818,828.37

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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.