Home / 77,168,812.33-106,490,205.78-43,677,572.77

Finding the Fourth Proportional to 77,168,812.33, 106,490,205.78 and 43,677,572.77

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Solution

The fourth proportional to 77,168,812.33, 106,490,205.78 and 43,677,572.77 is: 60,273,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,168,812.33 : 106,490,205.78 = 43,677,572.77 : x
  2. Step 2: Convert to fraction form
    77,168,812.33/106,490,205.78 = 43,677,572.77/x
  3. Step 3: Cross multiply
    77,168,812.33x = 106,490,205.78 × 43,677,572.77
  4. Step 4: Simplify right side
    77,168,812.33x = 4,651,233,712,248,225
  5. Step 5: Solve for x
    x = 4,651,233,712,248,225/77,168,812.33
  6. Step 6: Final answer
    x = 60,273,490.96

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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.