Home / 56,217,920.13-77,579,272.58-31,100,957.37

Finding the Fourth Proportional to 56,217,920.13, 77,579,272.58 and 31,100,957.37

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Solution

The fourth proportional to 56,217,920.13, 77,579,272.58 and 31,100,957.37 is: 42,918,515.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,217,920.13 : 77,579,272.58 = 31,100,957.37 : x
  2. Step 2: Convert to fraction form
    56,217,920.13/77,579,272.58 = 31,100,957.37/x
  3. Step 3: Cross multiply
    56,217,920.13x = 77,579,272.58 × 31,100,957.37
  4. Step 4: Simplify right side
    56,217,920.13x = 2,412,789,649,150,685.50
  5. Step 5: Solve for x
    x = 2,412,789,649,150,685.50/56,217,920.13
  6. Step 6: Final answer
    x = 42,918,515.01

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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.