Home / 70,049,941.78-104,983,771.80-28,502,398.74

Finding the Fourth Proportional to 70,049,941.78, 104,983,771.80 and 28,502,398.74

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Solution

The fourth proportional to 70,049,941.78, 104,983,771.80 and 28,502,398.74 is: 42,716,514.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,049,941.78 : 104,983,771.80 = 28,502,398.74 : x
  2. Step 2: Convert to fraction form
    70,049,941.78/104,983,771.80 = 28,502,398.74/x
  3. Step 3: Cross multiply
    70,049,941.78x = 104,983,771.80 × 28,502,398.74
  4. Step 4: Simplify right side
    70,049,941.78x = 2,992,289,325,072,767.50
  5. Step 5: Solve for x
    x = 2,992,289,325,072,767.50/70,049,941.78
  6. Step 6: Final answer
    x = 42,716,514.09

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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.