Home / 288,714,846.47-432,899,320.61-91,893,242.42

Finding the Fourth Proportional to 288,714,846.47, 432,899,320.61 and 91,893,242.42

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Solution

The fourth proportional to 288,714,846.47, 432,899,320.61 and 91,893,242.42 is: 137,784,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,714,846.47 : 432,899,320.61 = 91,893,242.42 : x
  2. Step 2: Convert to fraction form
    288,714,846.47/432,899,320.61 = 91,893,242.42/x
  3. Step 3: Cross multiply
    288,714,846.47x = 432,899,320.61 × 91,893,242.42
  4. Step 4: Simplify right side
    288,714,846.47x = 39,780,522,213,875,256
  5. Step 5: Solve for x
    x = 39,780,522,213,875,256/288,714,846.47
  6. Step 6: Final answer
    x = 137,784,816.75

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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.