Home / 288,714,855.51-432,899,334.09-91,893,251.43

Finding the Fourth Proportional to 288,714,855.51, 432,899,334.09 and 91,893,251.43

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Solution

The fourth proportional to 288,714,855.51, 432,899,334.09 and 91,893,251.43 is: 137,784,830.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,714,855.51 : 432,899,334.09 = 91,893,251.43 : x
  2. Step 2: Convert to fraction form
    288,714,855.51/432,899,334.09 = 91,893,251.43/x
  3. Step 3: Cross multiply
    288,714,855.51x = 432,899,334.09 × 91,893,251.43
  4. Step 4: Simplify right side
    288,714,855.51x = 39,780,527,351,411,944
  5. Step 5: Solve for x
    x = 39,780,527,351,411,944/288,714,855.51
  6. Step 6: Final answer
    x = 137,784,830.23

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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.