Home / 80,848,936.40-121,273,404.60-29,724,312.20

Finding the Fourth Proportional to 80,848,936.40, 121,273,404.60 and 29,724,312.20

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Solution

The fourth proportional to 80,848,936.40, 121,273,404.60 and 29,724,312.20 is: 44,586,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,848,936.40 : 121,273,404.60 = 29,724,312.20 : x
  2. Step 2: Convert to fraction form
    80,848,936.40/121,273,404.60 = 29,724,312.20/x
  3. Step 3: Cross multiply
    80,848,936.40x = 121,273,404.60 × 29,724,312.20
  4. Step 4: Simplify right side
    80,848,936.40x = 3,604,768,539,887,316
  5. Step 5: Solve for x
    x = 3,604,768,539,887,316/80,848,936.40
  6. Step 6: Final answer
    x = 44,586,468.30

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1.5x scale

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.