Home / 152,776,094.94-210,836,103.57-85,806,854.73

Finding the Fourth Proportional to 152,776,094.94, 210,836,103.57 and 85,806,854.73

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Solution

The fourth proportional to 152,776,094.94, 210,836,103.57 and 85,806,854.73 is: 118,416,319.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,776,094.94 : 210,836,103.57 = 85,806,854.73 : x
  2. Step 2: Convert to fraction form
    152,776,094.94/210,836,103.57 = 85,806,854.73/x
  3. Step 3: Cross multiply
    152,776,094.94x = 210,836,103.57 × 85,806,854.73
  4. Step 4: Simplify right side
    152,776,094.94x = 18,091,182,910,870,224
  5. Step 5: Solve for x
    x = 18,091,182,910,870,224/152,776,094.94
  6. Step 6: Final answer
    x = 118,416,319.77

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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.