Home / 77,952,477.16-107,463,520.01-53,140,823.65

Finding the Fourth Proportional to 77,952,477.16, 107,463,520.01 and 53,140,823.65

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Solution

The fourth proportional to 77,952,477.16, 107,463,520.01 and 53,140,823.65 is: 73,258,736.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,952,477.16 : 107,463,520.01 = 53,140,823.65 : x
  2. Step 2: Convert to fraction form
    77,952,477.16/107,463,520.01 = 53,140,823.65/x
  3. Step 3: Cross multiply
    77,952,477.16x = 107,463,520.01 × 53,140,823.65
  4. Step 4: Simplify right side
    77,952,477.16x = 5,710,699,964,856,635
  5. Step 5: Solve for x
    x = 5,710,699,964,856,635/77,952,477.16
  6. Step 6: Final answer
    x = 73,258,736.26

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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.