Home / 205,812,797.47-284,022,156.34-112,999,288.03

Finding the Fourth Proportional to 205,812,797.47, 284,022,156.34 and 112,999,288.03

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Solution

The fourth proportional to 205,812,797.47, 284,022,156.34 and 112,999,288.03 is: 155,939,289.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,812,797.47 : 284,022,156.34 = 112,999,288.03 : x
  2. Step 2: Convert to fraction form
    205,812,797.47/284,022,156.34 = 112,999,288.03/x
  3. Step 3: Cross multiply
    205,812,797.47x = 284,022,156.34 × 112,999,288.03
  4. Step 4: Simplify right side
    205,812,797.47x = 32,094,301,449,462,740
  5. Step 5: Solve for x
    x = 32,094,301,449,462,740/205,812,797.47
  6. Step 6: Final answer
    x = 155,939,289.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.