Home / 138,997,739.44-208,508,726.69-45,596,706.80

Finding the Fourth Proportional to 138,997,739.44, 208,508,726.69 and 45,596,706.80

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Solution

The fourth proportional to 138,997,739.44, 208,508,726.69 and 45,596,706.80 is: 68,399,035.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,997,739.44 : 208,508,726.69 = 45,596,706.80 : x
  2. Step 2: Convert to fraction form
    138,997,739.44/208,508,726.69 = 45,596,706.80/x
  3. Step 3: Cross multiply
    138,997,739.44x = 208,508,726.69 × 45,596,706.80
  4. Step 4: Simplify right side
    138,997,739.44x = 9,507,311,275,897,280
  5. Step 5: Solve for x
    x = 9,507,311,275,897,280/138,997,739.44
  6. Step 6: Final answer
    x = 68,399,035.23

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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.