Home / 157,464,015.20-236,196,022.80-48,288,319.10

Finding the Fourth Proportional to 157,464,015.20, 236,196,022.80 and 48,288,319.10

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Solution

The fourth proportional to 157,464,015.20, 236,196,022.80 and 48,288,319.10 is: 72,432,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,015.20 : 236,196,022.80 = 48,288,319.10 : x
  2. Step 2: Convert to fraction form
    157,464,015.20/236,196,022.80 = 48,288,319.10/x
  3. Step 3: Cross multiply
    157,464,015.20x = 236,196,022.80 × 48,288,319.10
  4. Step 4: Simplify right side
    157,464,015.20x = 11,405,508,919,117,276
  5. Step 5: Solve for x
    x = 11,405,508,919,117,276/157,464,015.20
  6. Step 6: Final answer
    x = 72,432,478.65

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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.