Home / 75,816,012.80-113,724,019.20-59,691,699.20

Finding the Fourth Proportional to 75,816,012.80, 113,724,019.20 and 59,691,699.20

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Solution

The fourth proportional to 75,816,012.80, 113,724,019.20 and 59,691,699.20 is: 89,537,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,816,012.80 : 113,724,019.20 = 59,691,699.20 : x
  2. Step 2: Convert to fraction form
    75,816,012.80/113,724,019.20 = 59,691,699.20/x
  3. Step 3: Cross multiply
    75,816,012.80x = 113,724,019.20 × 59,691,699.20
  4. Step 4: Simplify right side
    75,816,012.80x = 6,788,379,945,901,425
  5. Step 5: Solve for x
    x = 6,788,379,945,901,425/75,816,012.80
  6. Step 6: Final answer
    x = 89,537,548.80

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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.