Home / 69,941,369.17-96,519,182.43-38,578,714.81

Finding the Fourth Proportional to 69,941,369.17, 96,519,182.43 and 38,578,714.81

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Solution

The fourth proportional to 69,941,369.17, 96,519,182.43 and 38,578,714.81 is: 53,238,677.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,941,369.17 : 96,519,182.43 = 38,578,714.81 : x
  2. Step 2: Convert to fraction form
    69,941,369.17/96,519,182.43 = 38,578,714.81/x
  3. Step 3: Cross multiply
    69,941,369.17x = 96,519,182.43 × 38,578,714.81
  4. Step 4: Simplify right side
    69,941,369.17x = 3,723,586,012,661,333.50
  5. Step 5: Solve for x
    x = 3,723,586,012,661,333.50/69,941,369.17
  6. Step 6: Final answer
    x = 53,238,677.72

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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.