Home / 42,760,342.20-64,065,863.70-36,788,374.20

Finding the Fourth Proportional to 42,760,342.20, 64,065,863.70 and 36,788,374.20

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Solution

The fourth proportional to 42,760,342.20, 64,065,863.70 and 36,788,374.20 is: 55,118,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,760,342.20 : 64,065,863.70 = 36,788,374.20 : x
  2. Step 2: Convert to fraction form
    42,760,342.20/64,065,863.70 = 36,788,374.20/x
  3. Step 3: Cross multiply
    42,760,342.20x = 64,065,863.70 × 36,788,374.20
  4. Step 4: Simplify right side
    42,760,342.20x = 2,356,878,967,241,797
  5. Step 5: Solve for x
    x = 2,356,878,967,241,797/42,760,342.20
  6. Step 6: Final answer
    x = 55,118,337.37

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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.