Home / 109,897,471.47-164,847,703.41-40,783,569.42

Finding the Fourth Proportional to 109,897,471.47, 164,847,703.41 and 40,783,569.42

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Solution

The fourth proportional to 109,897,471.47, 164,847,703.41 and 40,783,569.42 is: 61,175,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,897,471.47 : 164,847,703.41 = 40,783,569.42 : x
  2. Step 2: Convert to fraction form
    109,897,471.47/164,847,703.41 = 40,783,569.42/x
  3. Step 3: Cross multiply
    109,897,471.47x = 164,847,703.41 × 40,783,569.42
  4. Step 4: Simplify right side
    109,897,471.47x = 6,723,077,755,749,306
  5. Step 5: Solve for x
    x = 6,723,077,755,749,306/109,897,471.47
  6. Step 6: Final answer
    x = 61,175,909.38

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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.