Home / 210,605,649.04-315,293,773.44-122,898,397.87

Finding the Fourth Proportional to 210,605,649.04, 315,293,773.44 and 122,898,397.87

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Solution

The fourth proportional to 210,605,649.04, 315,293,773.44 and 122,898,397.87 is: 183,988,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,605,649.04 : 315,293,773.44 = 122,898,397.87 : x
  2. Step 2: Convert to fraction form
    210,605,649.04/315,293,773.44 = 122,898,397.87/x
  3. Step 3: Cross multiply
    210,605,649.04x = 315,293,773.44 × 122,898,397.87
  4. Step 4: Simplify right side
    210,605,649.04x = 38,749,099,614,327,056
  5. Step 5: Solve for x
    x = 38,749,099,614,327,056/210,605,649.04
  6. Step 6: Final answer
    x = 183,988,890.09

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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.