Home / 189,965,145.60-284,947,718.40-99,076,924.80

Finding the Fourth Proportional to 189,965,145.60, 284,947,718.40 and 99,076,924.80

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Solution

The fourth proportional to 189,965,145.60, 284,947,718.40 and 99,076,924.80 is: 148,615,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,965,145.60 : 284,947,718.40 = 99,076,924.80 : x
  2. Step 2: Convert to fraction form
    189,965,145.60/284,947,718.40 = 99,076,924.80/x
  3. Step 3: Cross multiply
    189,965,145.60x = 284,947,718.40 × 99,076,924.80
  4. Step 4: Simplify right side
    189,965,145.60x = 28,231,743,667,848,372
  5. Step 5: Solve for x
    x = 28,231,743,667,848,372/189,965,145.60
  6. Step 6: Final answer
    x = 148,615,387.20

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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.