Home / 157,464,840.30-236,197,260.45-145,985,714.70

Finding the Fourth Proportional to 157,464,840.30, 236,197,260.45 and 145,985,714.70

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Solution

The fourth proportional to 157,464,840.30, 236,197,260.45 and 145,985,714.70 is: 218,978,572.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,840.30 : 236,197,260.45 = 145,985,714.70 : x
  2. Step 2: Convert to fraction form
    157,464,840.30/236,197,260.45 = 145,985,714.70/x
  3. Step 3: Cross multiply
    157,464,840.30x = 236,197,260.45 × 145,985,714.70
  4. Step 4: Simplify right side
    157,464,840.30x = 34,481,425,876,975,288
  5. Step 5: Solve for x
    x = 34,481,425,876,975,288/157,464,840.30
  6. Step 6: Final answer
    x = 218,978,572.05

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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.