Home / 145,883,260.72-218,474,213.69-83,445,337.43

Finding the Fourth Proportional to 145,883,260.72, 218,474,213.69 and 83,445,337.43

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Solution

The fourth proportional to 145,883,260.72, 218,474,213.69 and 83,445,337.43 is: 124,967,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,883,260.72 : 218,474,213.69 = 83,445,337.43 : x
  2. Step 2: Convert to fraction form
    145,883,260.72/218,474,213.69 = 83,445,337.43/x
  3. Step 3: Cross multiply
    145,883,260.72x = 218,474,213.69 × 83,445,337.43
  4. Step 4: Simplify right side
    145,883,260.72x = 18,230,654,480,232,216
  5. Step 5: Solve for x
    x = 18,230,654,480,232,216/145,883,260.72
  6. Step 6: Final answer
    x = 124,967,418.40

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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.