Home / 57,163,926.84-78,886,936.50-31,058,880.63

Finding the Fourth Proportional to 57,163,926.84, 78,886,936.50 and 31,058,880.63

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Solution

The fourth proportional to 57,163,926.84, 78,886,936.50 and 31,058,880.63 is: 42,861,645.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,163,926.84 : 78,886,936.50 = 31,058,880.63 : x
  2. Step 2: Convert to fraction form
    57,163,926.84/78,886,936.50 = 31,058,880.63/x
  3. Step 3: Cross multiply
    57,163,926.84x = 78,886,936.50 × 31,058,880.63
  4. Step 4: Simplify right side
    57,163,926.84x = 2,450,139,943,625,455.50
  5. Step 5: Solve for x
    x = 2,450,139,943,625,455.50/57,163,926.84
  6. Step 6: Final answer
    x = 42,861,645.08

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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.