Home / 57,033,880.84-78,706,776.48-30,928,391.76

Finding the Fourth Proportional to 57,033,880.84, 78,706,776.48 and 30,928,391.76

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Solution

The fourth proportional to 57,033,880.84, 78,706,776.48 and 30,928,391.76 is: 42,681,191.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,033,880.84 : 78,706,776.48 = 30,928,391.76 : x
  2. Step 2: Convert to fraction form
    57,033,880.84/78,706,776.48 = 30,928,391.76/x
  3. Step 3: Cross multiply
    57,033,880.84x = 78,706,776.48 × 30,928,391.76
  4. Step 4: Simplify right side
    57,033,880.84x = 2,434,274,017,140,194
  5. Step 5: Solve for x
    x = 2,434,274,017,140,194/57,033,880.84
  6. Step 6: Final answer
    x = 42,681,191.97

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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.