Home / 189,335,847.20-284,032,153.20-80,160,807.20

Finding the Fourth Proportional to 189,335,847.20, 284,032,153.20 and 80,160,807.20

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Solution

The fourth proportional to 189,335,847.20, 284,032,153.20 and 80,160,807.20 is: 120,253,227.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,335,847.20 : 284,032,153.20 = 80,160,807.20 : x
  2. Step 2: Convert to fraction form
    189,335,847.20/284,032,153.20 = 80,160,807.20/x
  3. Step 3: Cross multiply
    189,335,847.20x = 284,032,153.20 × 80,160,807.20
  4. Step 4: Simplify right side
    189,335,847.20x = 22,768,246,671,266,064
  5. Step 5: Solve for x
    x = 22,768,246,671,266,064/189,335,847.20
  6. Step 6: Final answer
    x = 120,253,227.31

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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.