Home / 68,638,179.16-94,697,642.06-38,864,758.94

Finding the Fourth Proportional to 68,638,179.16, 94,697,642.06 and 38,864,758.94

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Solution

The fourth proportional to 68,638,179.16, 94,697,642.06 and 38,864,758.94 is: 53,620,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,638,179.16 : 94,697,642.06 = 38,864,758.94 : x
  2. Step 2: Convert to fraction form
    68,638,179.16/94,697,642.06 = 38,864,758.94/x
  3. Step 3: Cross multiply
    68,638,179.16x = 94,697,642.06 × 38,864,758.94
  4. Step 4: Simplify right side
    68,638,179.16x = 3,680,401,030,681,352
  5. Step 5: Solve for x
    x = 3,680,401,030,681,352/68,638,179.16
  6. Step 6: Final answer
    x = 53,620,318.54

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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.