Home / 69,529,909.60-104,294,864.40-40,789,813.60

Finding the Fourth Proportional to 69,529,909.60, 104,294,864.40 and 40,789,813.60

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Solution

The fourth proportional to 69,529,909.60, 104,294,864.40 and 40,789,813.60 is: 61,184,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,529,909.60 : 104,294,864.40 = 40,789,813.60 : x
  2. Step 2: Convert to fraction form
    69,529,909.60/104,294,864.40 = 40,789,813.60/x
  3. Step 3: Cross multiply
    69,529,909.60x = 104,294,864.40 × 40,789,813.60
  4. Step 4: Simplify right side
    69,529,909.60x = 4,254,168,078,313,276
  5. Step 5: Solve for x
    x = 4,254,168,078,313,276/69,529,909.60
  6. Step 6: Final answer
    x = 61,184,720.40

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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.