Home / 70,514,629.60-105,765,723.60-19,392,095.20

Finding the Fourth Proportional to 70,514,629.60, 105,765,723.60 and 19,392,095.20

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Solution

The fourth proportional to 70,514,629.60, 105,765,723.60 and 19,392,095.20 is: 29,086,432.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,514,629.60 : 105,765,723.60 = 19,392,095.20 : x
  2. Step 2: Convert to fraction form
    70,514,629.60/105,765,723.60 = 19,392,095.20/x
  3. Step 3: Cross multiply
    70,514,629.60x = 105,765,723.60 × 19,392,095.20
  4. Step 4: Simplify right side
    70,514,629.60x = 2,051,018,980,948,086.50
  5. Step 5: Solve for x
    x = 2,051,018,980,948,086.50/70,514,629.60
  6. Step 6: Final answer
    x = 29,086,432.03

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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.