Home / 42,696,999.20-64,053,793.20-18,435,879.20

Finding the Fourth Proportional to 42,696,999.20, 64,053,793.20 and 18,435,879.20

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Solution

The fourth proportional to 42,696,999.20, 64,053,793.20 and 18,435,879.20 is: 27,657,400.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,696,999.20 : 64,053,793.20 = 18,435,879.20 : x
  2. Step 2: Convert to fraction form
    42,696,999.20/64,053,793.20 = 18,435,879.20/x
  3. Step 3: Cross multiply
    42,696,999.20x = 64,053,793.20 × 18,435,879.20
  4. Step 4: Simplify right side
    42,696,999.20x = 1,180,887,993,736,981.50
  5. Step 5: Solve for x
    x = 1,180,887,993,736,981.50/42,696,999.20
  6. Step 6: Final answer
    x = 27,657,400.19

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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.