Home / 75,166,515.60-103,733,857.03-42,137,374.40

Finding the Fourth Proportional to 75,166,515.60, 103,733,857.03 and 42,137,374.40

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Solution

The fourth proportional to 75,166,515.60, 103,733,857.03 and 42,137,374.40 is: 58,151,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,166,515.60 : 103,733,857.03 = 42,137,374.40 : x
  2. Step 2: Convert to fraction form
    75,166,515.60/103,733,857.03 = 42,137,374.40/x
  3. Step 3: Cross multiply
    75,166,515.60x = 103,733,857.03 × 42,137,374.40
  4. Step 4: Simplify right side
    75,166,515.60x = 4,371,072,371,354,562
  5. Step 5: Solve for x
    x = 4,371,072,371,354,562/75,166,515.60
  6. Step 6: Final answer
    x = 58,151,855.74

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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.