Home / 140,209,398.72-210,126,108-109,122,603.84

Finding the Fourth Proportional to 140,209,398.72, 210,126,108 and 109,122,603.84

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Solution

The fourth proportional to 140,209,398.72, 210,126,108 and 109,122,603.84 is: 163,537,596.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,209,398.72 : 210,126,108 = 109,122,603.84 : x
  2. Step 2: Convert to fraction form
    140,209,398.72/210,126,108 = 109,122,603.84/x
  3. Step 3: Cross multiply
    140,209,398.72x = 210,126,108 × 109,122,603.84
  4. Step 4: Simplify right side
    140,209,398.72x = 22,929,508,039,725,056
  5. Step 5: Solve for x
    x = 22,929,508,039,725,056/140,209,398.72
  6. Step 6: Final answer
    x = 163,537,596.26

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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.