Home / 103,916,345.64-143,404,834.98-57,509,799.72

Finding the Fourth Proportional to 103,916,345.64, 143,404,834.98 and 57,509,799.72

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Solution

The fourth proportional to 103,916,345.64, 143,404,834.98 and 57,509,799.72 is: 79,363,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,916,345.64 : 143,404,834.98 = 57,509,799.72 : x
  2. Step 2: Convert to fraction form
    103,916,345.64/143,404,834.98 = 57,509,799.72/x
  3. Step 3: Cross multiply
    103,916,345.64x = 143,404,834.98 × 57,509,799.72
  4. Step 4: Simplify right side
    103,916,345.64x = 8,247,183,338,579,449
  5. Step 5: Solve for x
    x = 8,247,183,338,579,449/103,916,345.64
  6. Step 6: Final answer
    x = 79,363,677.46

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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.