Home / 103,916,344.64-143,404,833.60-57,509,798.72

Finding the Fourth Proportional to 103,916,344.64, 143,404,833.60 and 57,509,798.72

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Solution

The fourth proportional to 103,916,344.64, 143,404,833.60 and 57,509,798.72 is: 79,363,676.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,916,344.64 : 143,404,833.60 = 57,509,798.72 : x
  2. Step 2: Convert to fraction form
    103,916,344.64/143,404,833.60 = 57,509,798.72/x
  3. Step 3: Cross multiply
    103,916,344.64x = 143,404,833.60 × 57,509,798.72
  4. Step 4: Simplify right side
    103,916,344.64x = 8,247,183,115,811,092
  5. Step 5: Solve for x
    x = 8,247,183,115,811,092/103,916,344.64
  6. Step 6: Final answer
    x = 79,363,676.08

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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.