Home / 79,950,068.46-119,578,897.86-47,082,290.21

Finding the Fourth Proportional to 79,950,068.46, 119,578,897.86 and 47,082,290.21

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Solution

The fourth proportional to 79,950,068.46, 119,578,897.86 and 47,082,290.21 is: 70,419,556.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,950,068.46 : 119,578,897.86 = 47,082,290.21 : x
  2. Step 2: Convert to fraction form
    79,950,068.46/119,578,897.86 = 47,082,290.21/x
  3. Step 3: Cross multiply
    79,950,068.46x = 119,578,897.86 × 47,082,290.21
  4. Step 4: Simplify right side
    79,950,068.46x = 5,630,048,372,210,632
  5. Step 5: Solve for x
    x = 5,630,048,372,210,632/79,950,068.46
  6. Step 6: Final answer
    x = 70,419,556.61

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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.