Home / 57,428,571.84-79,252,373.52-31,323,089.28

Finding the Fourth Proportional to 57,428,571.84, 79,252,373.52 and 31,323,089.28

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Solution

The fourth proportional to 57,428,571.84, 79,252,373.52 and 31,323,089.28 is: 43,226,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,428,571.84 : 79,252,373.52 = 31,323,089.28 : x
  2. Step 2: Convert to fraction form
    57,428,571.84/79,252,373.52 = 31,323,089.28/x
  3. Step 3: Cross multiply
    57,428,571.84x = 79,252,373.52 × 31,323,089.28
  4. Step 4: Simplify right side
    57,428,571.84x = 2,482,429,171,418,868
  5. Step 5: Solve for x
    x = 2,482,429,171,418,868/57,428,571.84
  6. Step 6: Final answer
    x = 43,226,378.30

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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.