Home / 53,983,677.06-80,977,820.10-21,201,350.58

Finding the Fourth Proportional to 53,983,677.06, 80,977,820.10 and 21,201,350.58

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Solution

The fourth proportional to 53,983,677.06, 80,977,820.10 and 21,201,350.58 is: 31,802,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,983,677.06 : 80,977,820.10 = 21,201,350.58 : x
  2. Step 2: Convert to fraction form
    53,983,677.06/80,977,820.10 = 21,201,350.58/x
  3. Step 3: Cross multiply
    53,983,677.06x = 80,977,820.10 × 21,201,350.58
  4. Step 4: Simplify right side
    53,983,677.06x = 1,716,839,153,144,270.50
  5. Step 5: Solve for x
    x = 1,716,839,153,144,270.50/53,983,677.06
  6. Step 6: Final answer
    x = 31,802,930.93

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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.