Home / 68,093,141.80-102,139,712.70-62,831,875.90

Finding the Fourth Proportional to 68,093,141.80, 102,139,712.70 and 62,831,875.90

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Solution

The fourth proportional to 68,093,141.80, 102,139,712.70 and 62,831,875.90 is: 94,247,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,093,141.80 : 102,139,712.70 = 62,831,875.90 : x
  2. Step 2: Convert to fraction form
    68,093,141.80/102,139,712.70 = 62,831,875.90/x
  3. Step 3: Cross multiply
    68,093,141.80x = 102,139,712.70 × 62,831,875.90
  4. Step 4: Simplify right side
    68,093,141.80x = 6,417,629,752,828,054
  5. Step 5: Solve for x
    x = 6,417,629,752,828,054/68,093,141.80
  6. Step 6: Final answer
    x = 94,247,813.85

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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.