Home / 140,413,121.70-210,619,682.55-63,885,617.70

Finding the Fourth Proportional to 140,413,121.70, 210,619,682.55 and 63,885,617.70

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Solution

The fourth proportional to 140,413,121.70, 210,619,682.55 and 63,885,617.70 is: 95,828,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,413,121.70 : 210,619,682.55 = 63,885,617.70 : x
  2. Step 2: Convert to fraction form
    140,413,121.70/210,619,682.55 = 63,885,617.70/x
  3. Step 3: Cross multiply
    140,413,121.70x = 210,619,682.55 × 63,885,617.70
  4. Step 4: Simplify right side
    140,413,121.70x = 13,455,568,519,484,662
  5. Step 5: Solve for x
    x = 13,455,568,519,484,662/140,413,121.70
  6. Step 6: Final answer
    x = 95,828,426.55

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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.