Home / 53,710,802.84-80,581,012.08-21,385,405.88

Finding the Fourth Proportional to 53,710,802.84, 80,581,012.08 and 21,385,405.88

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Solution

The fourth proportional to 53,710,802.84, 80,581,012.08 and 21,385,405.88 is: 32,084,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,710,802.84 : 80,581,012.08 = 21,385,405.88 : x
  2. Step 2: Convert to fraction form
    53,710,802.84/80,581,012.08 = 21,385,405.88/x
  3. Step 3: Cross multiply
    53,710,802.84x = 80,581,012.08 × 21,385,405.88
  4. Step 4: Simplify right side
    53,710,802.84x = 1,723,257,649,551,983
  5. Step 5: Solve for x
    x = 1,723,257,649,551,983/53,710,802.84
  6. Step 6: Final answer
    x = 32,084,004.68

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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.