Home / 73,721,764.80-110,441,642.40-39,631,780.80

Finding the Fourth Proportional to 73,721,764.80, 110,441,642.40 and 39,631,780.80

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Solution

The fourth proportional to 73,721,764.80, 110,441,642.40 and 39,631,780.80 is: 59,371,869.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,721,764.80 : 110,441,642.40 = 39,631,780.80 : x
  2. Step 2: Convert to fraction form
    73,721,764.80/110,441,642.40 = 39,631,780.80/x
  3. Step 3: Cross multiply
    73,721,764.80x = 110,441,642.40 × 39,631,780.80
  4. Step 4: Simplify right side
    73,721,764.80x = 4,376,998,962,788,786
  5. Step 5: Solve for x
    x = 4,376,998,962,788,786/73,721,764.80
  6. Step 6: Final answer
    x = 59,371,869.01

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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.