Home / 103,423,588.96-142,725,515.46-57,015,503.62

Finding the Fourth Proportional to 103,423,588.96, 142,725,515.46 and 57,015,503.62

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Solution

The fourth proportional to 103,423,588.96, 142,725,515.46 and 57,015,503.62 is: 78,681,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,423,588.96 : 142,725,515.46 = 57,015,503.62 : x
  2. Step 2: Convert to fraction form
    103,423,588.96/142,725,515.46 = 57,015,503.62/x
  3. Step 3: Cross multiply
    103,423,588.96x = 142,725,515.46 × 57,015,503.62
  4. Step 4: Simplify right side
    103,423,588.96x = 8,137,567,143,375,996
  5. Step 5: Solve for x
    x = 8,137,567,143,375,996/103,423,588.96
  6. Step 6: Final answer
    x = 78,681,925.71

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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.