Home / 43,049,161.77-64,539,641.85-21,472,657.17

Finding the Fourth Proportional to 43,049,161.77, 64,539,641.85 and 21,472,657.17

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Solution

The fourth proportional to 43,049,161.77, 64,539,641.85 and 21,472,657.17 is: 32,191,976.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,049,161.77 : 64,539,641.85 = 21,472,657.17 : x
  2. Step 2: Convert to fraction form
    43,049,161.77/64,539,641.85 = 21,472,657.17/x
  3. Step 3: Cross multiply
    43,049,161.77x = 64,539,641.85 × 21,472,657.17
  4. Step 4: Simplify right side
    43,049,161.77x = 1,385,837,603,319,634.75
  5. Step 5: Solve for x
    x = 1,385,837,603,319,634.75/43,049,161.77
  6. Step 6: Final answer
    x = 32,191,976.48

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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.