Home / 115,202,838.74-172,804,424.40-47,045,530.49

Finding the Fourth Proportional to 115,202,838.74, 172,804,424.40 and 47,045,530.49

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Solution

The fourth proportional to 115,202,838.74, 172,804,424.40 and 47,045,530.49 is: 70,568,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,202,838.74 : 172,804,424.40 = 47,045,530.49 : x
  2. Step 2: Convert to fraction form
    115,202,838.74/172,804,424.40 = 47,045,530.49/x
  3. Step 3: Cross multiply
    115,202,838.74x = 172,804,424.40 × 47,045,530.49
  4. Step 4: Simplify right side
    115,202,838.74x = 8,129,675,816,053,078
  5. Step 5: Solve for x
    x = 8,129,675,816,053,078/115,202,838.74
  6. Step 6: Final answer
    x = 70,568,363.64

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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.