Home / 75,704,996.28-113,558,398.59-21,114,260.37

Finding the Fourth Proportional to 75,704,996.28, 113,558,398.59 and 21,114,260.37

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Solution

The fourth proportional to 75,704,996.28, 113,558,398.59 and 21,114,260.37 is: 31,671,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,704,996.28 : 113,558,398.59 = 21,114,260.37 : x
  2. Step 2: Convert to fraction form
    75,704,996.28/113,558,398.59 = 21,114,260.37/x
  3. Step 3: Cross multiply
    75,704,996.28x = 113,558,398.59 × 21,114,260.37
  4. Step 4: Simplify right side
    75,704,996.28x = 2,397,701,594,604,595
  5. Step 5: Solve for x
    x = 2,397,701,594,604,595/75,704,996.28
  6. Step 6: Final answer
    x = 31,671,642.72

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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.