Home / 103,689,557.06-143,092,785.22-57,278,838.02

Finding the Fourth Proportional to 103,689,557.06, 143,092,785.22 and 57,278,838.02

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Solution

The fourth proportional to 103,689,557.06, 143,092,785.22 and 57,278,838.02 is: 79,045,457.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,689,557.06 : 143,092,785.22 = 57,278,838.02 : x
  2. Step 2: Convert to fraction form
    103,689,557.06/143,092,785.22 = 57,278,838.02/x
  3. Step 3: Cross multiply
    103,689,557.06x = 143,092,785.22 × 57,278,838.02
  4. Step 4: Simplify right side
    103,689,557.06x = 8,196,188,466,447,030
  5. Step 5: Solve for x
    x = 8,196,188,466,447,030/103,689,557.06
  6. Step 6: Final answer
    x = 79,045,457.41

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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.