Home / 209,953,908.30-314,930,862.45-56,615,465.10

Finding the Fourth Proportional to 209,953,908.30, 314,930,862.45 and 56,615,465.10

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Solution

The fourth proportional to 209,953,908.30, 314,930,862.45 and 56,615,465.10 is: 84,923,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,908.30 : 314,930,862.45 = 56,615,465.10 : x
  2. Step 2: Convert to fraction form
    209,953,908.30/314,930,862.45 = 56,615,465.10/x
  3. Step 3: Cross multiply
    209,953,908.30x = 314,930,862.45 × 56,615,465.10
  4. Step 4: Simplify right side
    209,953,908.30x = 17,829,957,251,950,876
  5. Step 5: Solve for x
    x = 17,829,957,251,950,876/209,953,908.30
  6. Step 6: Final answer
    x = 84,923,197.65

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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.