Home / 291,466,497.50-437,135,255.71-84,159,909.10

Finding the Fourth Proportional to 291,466,497.50, 437,135,255.71 and 84,159,909.10

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Solution

The fourth proportional to 291,466,497.50, 437,135,255.71 and 84,159,909.10 is: 126,221,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,466,497.50 : 437,135,255.71 = 84,159,909.10 : x
  2. Step 2: Convert to fraction form
    291,466,497.50/437,135,255.71 = 84,159,909.10/x
  3. Step 3: Cross multiply
    291,466,497.50x = 437,135,255.71 × 84,159,909.10
  4. Step 4: Simplify right side
    291,466,497.50x = 36,789,263,384,958,848
  5. Step 5: Solve for x
    x = 36,789,263,384,958,848/291,466,497.50
  6. Step 6: Final answer
    x = 126,221,242.24

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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.