Home / 57,033,881.84-78,706,777.86-30,928,392.76

Finding the Fourth Proportional to 57,033,881.84, 78,706,777.86 and 30,928,392.76

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Solution

The fourth proportional to 57,033,881.84, 78,706,777.86 and 30,928,392.76 is: 42,681,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,033,881.84 : 78,706,777.86 = 30,928,392.76 : x
  2. Step 2: Convert to fraction form
    57,033,881.84/78,706,777.86 = 30,928,392.76/x
  3. Step 3: Cross multiply
    57,033,881.84x = 78,706,777.86 × 30,928,392.76
  4. Step 4: Simplify right side
    57,033,881.84x = 2,434,274,138,528,152.50
  5. Step 5: Solve for x
    x = 2,434,274,138,528,152.50/57,033,881.84
  6. Step 6: Final answer
    x = 42,681,193.35

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1.5x scale

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.