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Finding the Fourth Proportional to 53,835,809.80, 80,641,740.30 and 44,877,857.80

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Solution

The fourth proportional to 53,835,809.80, 80,641,740.30 and 44,877,857.80 is: 67,223,444.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,835,809.80 : 80,641,740.30 = 44,877,857.80 : x
  2. Step 2: Convert to fraction form
    53,835,809.80/80,641,740.30 = 44,877,857.80/x
  3. Step 3: Cross multiply
    53,835,809.80x = 80,641,740.30 × 44,877,857.80
  4. Step 4: Simplify right side
    53,835,809.80x = 3,619,028,553,927,929
  5. Step 5: Solve for x
    x = 3,619,028,553,927,929/53,835,809.80
  6. Step 6: Final answer
    x = 67,223,444.16

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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.