Home / 52,490,400.30-78,735,600.45-18,399,444.30

Finding the Fourth Proportional to 52,490,400.30, 78,735,600.45 and 18,399,444.30

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Solution

The fourth proportional to 52,490,400.30, 78,735,600.45 and 18,399,444.30 is: 27,599,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,490,400.30 : 78,735,600.45 = 18,399,444.30 : x
  2. Step 2: Convert to fraction form
    52,490,400.30/78,735,600.45 = 18,399,444.30/x
  3. Step 3: Cross multiply
    52,490,400.30x = 78,735,600.45 × 18,399,444.30
  4. Step 4: Simplify right side
    52,490,400.30x = 1,448,691,294,906,830
  5. Step 5: Solve for x
    x = 1,448,691,294,906,830/52,490,400.30
  6. Step 6: Final answer
    x = 27,599,166.45

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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.