Home / 113,823,488.16-170,723,741.94-77,170,718.61

Finding the Fourth Proportional to 113,823,488.16, 170,723,741.94 and 77,170,718.61

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Solution

The fourth proportional to 113,823,488.16, 170,723,741.94 and 77,170,718.61 is: 115,748,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,823,488.16 : 170,723,741.94 = 77,170,718.61 : x
  2. Step 2: Convert to fraction form
    113,823,488.16/170,723,741.94 = 77,170,718.61/x
  3. Step 3: Cross multiply
    113,823,488.16x = 170,723,741.94 × 77,170,718.61
  4. Step 4: Simplify right side
    113,823,488.16x = 13,174,873,849,297,996
  5. Step 5: Solve for x
    x = 13,174,873,849,297,996/113,823,488.16
  6. Step 6: Final answer
    x = 115,748,287.65

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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.