Home / 288,714,860.52-432,899,341.58-91,893,256.44

Finding the Fourth Proportional to 288,714,860.52, 432,899,341.58 and 91,893,256.44

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Solution

The fourth proportional to 288,714,860.52, 432,899,341.58 and 91,893,256.44 is: 137,784,837.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,714,860.52 : 432,899,341.58 = 91,893,256.44 : x
  2. Step 2: Convert to fraction form
    288,714,860.52/432,899,341.58 = 91,893,256.44/x
  3. Step 3: Cross multiply
    288,714,860.52x = 432,899,341.58 × 91,893,256.44
  4. Step 4: Simplify right side
    288,714,860.52x = 39,780,530,208,518,096
  5. Step 5: Solve for x
    x = 39,780,530,208,518,096/288,714,860.52
  6. Step 6: Final answer
    x = 137,784,837.74

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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.