Home / 81,242,356.17-112,114,451.52-46,435,793.95

Finding the Fourth Proportional to 81,242,356.17, 112,114,451.52 and 46,435,793.95

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Solution

The fourth proportional to 81,242,356.17, 112,114,451.52 and 46,435,793.95 is: 64,081,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,242,356.17 : 112,114,451.52 = 46,435,793.95 : x
  2. Step 2: Convert to fraction form
    81,242,356.17/112,114,451.52 = 46,435,793.95/x
  3. Step 3: Cross multiply
    81,242,356.17x = 112,114,451.52 × 46,435,793.95
  4. Step 4: Simplify right side
    81,242,356.17x = 5,206,123,569,843,774
  5. Step 5: Solve for x
    x = 5,206,123,569,843,774/81,242,356.17
  6. Step 6: Final answer
    x = 64,081,395.66

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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.