Home / 69,349,949.57-95,666,646.77-42,879,841.91

Finding the Fourth Proportional to 69,349,949.57, 95,666,646.77 and 42,879,841.91

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Solution

The fourth proportional to 69,349,949.57, 95,666,646.77 and 42,879,841.91 is: 59,151,747.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,349,949.57 : 95,666,646.77 = 42,879,841.91 : x
  2. Step 2: Convert to fraction form
    69,349,949.57/95,666,646.77 = 42,879,841.91/x
  3. Step 3: Cross multiply
    69,349,949.57x = 95,666,646.77 × 42,879,841.91
  4. Step 4: Simplify right side
    69,349,949.57x = 4,102,170,689,405,960.50
  5. Step 5: Solve for x
    x = 4,102,170,689,405,960.50/69,349,949.57
  6. Step 6: Final answer
    x = 59,151,747.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.