Home / 66,878,799-100,234,269.54-36,172,152.60

Finding the Fourth Proportional to 66,878,799, 100,234,269.54 and 36,172,152.60

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Solution

The fourth proportional to 66,878,799, 100,234,269.54 and 36,172,152.60 is: 54,212,834.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,878,799 : 100,234,269.54 = 36,172,152.60 : x
  2. Step 2: Convert to fraction form
    66,878,799/100,234,269.54 = 36,172,152.60/x
  3. Step 3: Cross multiply
    66,878,799x = 100,234,269.54 × 36,172,152.60
  4. Step 4: Simplify right side
    66,878,799x = 3,625,689,293,550,412
  5. Step 5: Solve for x
    x = 3,625,689,293,550,412/66,878,799
  6. Step 6: Final answer
    x = 54,212,834.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.