Home / 157,464,846.30-236,197,269.45-145,985,720.70

Finding the Fourth Proportional to 157,464,846.30, 236,197,269.45 and 145,985,720.70

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Solution

The fourth proportional to 157,464,846.30, 236,197,269.45 and 145,985,720.70 is: 218,978,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,846.30 : 236,197,269.45 = 145,985,720.70 : x
  2. Step 2: Convert to fraction form
    157,464,846.30/236,197,269.45 = 145,985,720.70/x
  3. Step 3: Cross multiply
    157,464,846.30x = 236,197,269.45 × 145,985,720.70
  4. Step 4: Simplify right side
    157,464,846.30x = 34,481,428,608,030,340
  5. Step 5: Solve for x
    x = 34,481,428,608,030,340/157,464,846.30
  6. Step 6: Final answer
    x = 218,978,581.05

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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.