Home / 141,858,152.40-212,621,891.40-65,188,930.80

Finding the Fourth Proportional to 141,858,152.40, 212,621,891.40 and 65,188,930.80

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Solution

The fourth proportional to 141,858,152.40, 212,621,891.40 and 65,188,930.80 is: 97,707,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,858,152.40 : 212,621,891.40 = 65,188,930.80 : x
  2. Step 2: Convert to fraction form
    141,858,152.40/212,621,891.40 = 65,188,930.80/x
  3. Step 3: Cross multiply
    141,858,152.40x = 212,621,891.40 × 65,188,930.80
  4. Step 4: Simplify right side
    141,858,152.40x = 13,860,593,765,039,714
  5. Step 5: Solve for x
    x = 13,860,593,765,039,714/141,858,152.40
  6. Step 6: Final answer
    x = 97,707,417.80

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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.