Home / 68,501,283.08-102,774,766.12-45,562,649.28

Finding the Fourth Proportional to 68,501,283.08, 102,774,766.12 and 45,562,649.28

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Solution

The fourth proportional to 68,501,283.08, 102,774,766.12 and 45,562,649.28 is: 68,359,166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,501,283.08 : 102,774,766.12 = 45,562,649.28 : x
  2. Step 2: Convert to fraction form
    68,501,283.08/102,774,766.12 = 45,562,649.28/x
  3. Step 3: Cross multiply
    68,501,283.08x = 102,774,766.12 × 45,562,649.28
  4. Step 4: Simplify right side
    68,501,283.08x = 4,682,690,623,559,587
  5. Step 5: Solve for x
    x = 4,682,690,623,559,587/68,501,283.08
  6. Step 6: Final answer
    x = 68,359,166.62

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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.