Home / 152,776,099.44-210,836,109.78-85,806,859.23

Finding the Fourth Proportional to 152,776,099.44, 210,836,109.78 and 85,806,859.23

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Solution

The fourth proportional to 152,776,099.44, 210,836,109.78 and 85,806,859.23 is: 118,416,325.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,776,099.44 : 210,836,109.78 = 85,806,859.23 : x
  2. Step 2: Convert to fraction form
    152,776,099.44/210,836,109.78 = 85,806,859.23/x
  3. Step 3: Cross multiply
    152,776,099.44x = 210,836,109.78 × 85,806,859.23
  4. Step 4: Simplify right side
    152,776,099.44x = 18,091,184,392,493,288
  5. Step 5: Solve for x
    x = 18,091,184,392,493,288/152,776,099.44
  6. Step 6: Final answer
    x = 118,416,325.98

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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.