Home / 144,129,010.56-216,199,982.88-47,090,630.40

Finding the Fourth Proportional to 144,129,010.56, 216,199,982.88 and 47,090,630.40

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Solution

The fourth proportional to 144,129,010.56, 216,199,982.88 and 47,090,630.40 is: 70,638,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,129,010.56 : 216,199,982.88 = 47,090,630.40 : x
  2. Step 2: Convert to fraction form
    144,129,010.56/216,199,982.88 = 47,090,630.40/x
  3. Step 3: Cross multiply
    144,129,010.56x = 216,199,982.88 × 47,090,630.40
  4. Step 4: Simplify right side
    144,129,010.56x = 10,180,993,486,288,408
  5. Step 5: Solve for x
    x = 10,180,993,486,288,408/144,129,010.56
  6. Step 6: Final answer
    x = 70,638,058.55

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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.