Home / 55,192,005.60-82,788,008.40-18,841,441.20

Finding the Fourth Proportional to 55,192,005.60, 82,788,008.40 and 18,841,441.20

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Solution

The fourth proportional to 55,192,005.60, 82,788,008.40 and 18,841,441.20 is: 28,262,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,192,005.60 : 82,788,008.40 = 18,841,441.20 : x
  2. Step 2: Convert to fraction form
    55,192,005.60/82,788,008.40 = 18,841,441.20/x
  3. Step 3: Cross multiply
    55,192,005.60x = 82,788,008.40 × 18,841,441.20
  4. Step 4: Simplify right side
    55,192,005.60x = 1,559,845,392,333,706.25
  5. Step 5: Solve for x
    x = 1,559,845,392,333,706.25/55,192,005.60
  6. Step 6: Final answer
    x = 28,262,161.80

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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.