Home / 77,952,476.66-107,463,519.32-53,140,823.15

Finding the Fourth Proportional to 77,952,476.66, 107,463,519.32 and 53,140,823.15

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Solution

The fourth proportional to 77,952,476.66, 107,463,519.32 and 53,140,823.15 is: 73,258,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,952,476.66 : 107,463,519.32 = 53,140,823.15 : x
  2. Step 2: Convert to fraction form
    77,952,476.66/107,463,519.32 = 53,140,823.15/x
  3. Step 3: Cross multiply
    77,952,476.66x = 107,463,519.32 × 53,140,823.15
  4. Step 4: Simplify right side
    77,952,476.66x = 5,710,699,874,457,707
  5. Step 5: Solve for x
    x = 5,710,699,874,457,707/77,952,476.66
  6. Step 6: Final answer
    x = 73,258,735.57

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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.