Home / 288,714,162.70-432,898,297.40-91,892,559.42

Finding the Fourth Proportional to 288,714,162.70, 432,898,297.40 and 91,892,559.42

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Solution

The fourth proportional to 288,714,162.70, 432,898,297.40 and 91,892,559.42 is: 137,783,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,714,162.70 : 432,898,297.40 = 91,892,559.42 : x
  2. Step 2: Convert to fraction form
    288,714,162.70/432,898,297.40 = 91,892,559.42/x
  3. Step 3: Cross multiply
    288,714,162.70x = 432,898,297.40 × 91,892,559.42
  4. Step 4: Simplify right side
    288,714,162.70x = 39,780,132,516,876,064
  5. Step 5: Solve for x
    x = 39,780,132,516,876,064/288,714,162.70
  6. Step 6: Final answer
    x = 137,783,793.30

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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.