Home / 140,280,515.82-193,578,758.64-77,552,855.46

Finding the Fourth Proportional to 140,280,515.82, 193,578,758.64 and 77,552,855.46

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Solution

The fourth proportional to 140,280,515.82, 193,578,758.64 and 77,552,855.46 is: 107,018,322.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,280,515.82 : 193,578,758.64 = 77,552,855.46 : x
  2. Step 2: Convert to fraction form
    140,280,515.82/193,578,758.64 = 77,552,855.46/x
  3. Step 3: Cross multiply
    140,280,515.82x = 193,578,758.64 × 77,552,855.46
  4. Step 4: Simplify right side
    140,280,515.82x = 15,012,585,488,934,144
  5. Step 5: Solve for x
    x = 15,012,585,488,934,144/140,280,515.82
  6. Step 6: Final answer
    x = 107,018,322.55

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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.