Home / 145,221,047.57-217,877,620.06-51,846,015.90

Finding the Fourth Proportional to 145,221,047.57, 217,877,620.06 and 51,846,015.90

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Solution

The fourth proportional to 145,221,047.57, 217,877,620.06 and 51,846,015.90 is: 77,785,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,221,047.57 : 217,877,620.06 = 51,846,015.90 : x
  2. Step 2: Convert to fraction form
    145,221,047.57/217,877,620.06 = 51,846,015.90/x
  3. Step 3: Cross multiply
    145,221,047.57x = 217,877,620.06 × 51,846,015.90
  4. Step 4: Simplify right side
    145,221,047.57x = 11,296,086,554,766,768
  5. Step 5: Solve for x
    x = 11,296,086,554,766,768/145,221,047.57
  6. Step 6: Final answer
    x = 77,785,463.91

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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.