Home / 215,845,253.40-323,767,880.10-146,970,499.80

Finding the Fourth Proportional to 215,845,253.40, 323,767,880.10 and 146,970,499.80

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Solution

The fourth proportional to 215,845,253.40, 323,767,880.10 and 146,970,499.80 is: 220,455,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,845,253.40 : 323,767,880.10 = 146,970,499.80 : x
  2. Step 2: Convert to fraction form
    215,845,253.40/323,767,880.10 = 146,970,499.80/x
  3. Step 3: Cross multiply
    215,845,253.40x = 323,767,880.10 × 146,970,499.80
  4. Step 4: Simplify right side
    215,845,253.40x = 47,584,327,157,483,480
  5. Step 5: Solve for x
    x = 47,584,327,157,483,480/215,845,253.40
  6. Step 6: Final answer
    x = 220,455,749.70

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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.