Home / 68,704,054.12-103,053,719.02-17,586,515.72

Finding the Fourth Proportional to 68,704,054.12, 103,053,719.02 and 17,586,515.72

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Solution

The fourth proportional to 68,704,054.12, 103,053,719.02 and 17,586,515.72 is: 26,379,168.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,704,054.12 : 103,053,719.02 = 17,586,515.72 : x
  2. Step 2: Convert to fraction form
    68,704,054.12/103,053,719.02 = 17,586,515.72/x
  3. Step 3: Cross multiply
    68,704,054.12x = 103,053,719.02 × 17,586,515.72
  4. Step 4: Simplify right side
    68,704,054.12x = 1,812,355,849,549,692.75
  5. Step 5: Solve for x
    x = 1,812,355,849,549,692.75/68,704,054.12
  6. Step 6: Final answer
    x = 26,379,168.93

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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.