Home / 77,088,263.49-115,639,192.08-21,756,591.36

Finding the Fourth Proportional to 77,088,263.49, 115,639,192.08 and 21,756,591.36

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Solution

The fourth proportional to 77,088,263.49, 115,639,192.08 and 21,756,591.36 is: 32,636,805.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,088,263.49 : 115,639,192.08 = 21,756,591.36 : x
  2. Step 2: Convert to fraction form
    77,088,263.49/115,639,192.08 = 21,756,591.36/x
  3. Step 3: Cross multiply
    77,088,263.49x = 115,639,192.08 × 21,756,591.36
  4. Step 4: Simplify right side
    77,088,263.49x = 2,515,914,647,285,108.50
  5. Step 5: Solve for x
    x = 2,515,914,647,285,108.50/77,088,263.49
  6. Step 6: Final answer
    x = 32,636,805.31

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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.