Home / 171,152,830.68-236,189,509.36-92,836,185.72

Finding the Fourth Proportional to 171,152,830.68, 236,189,509.36 and 92,836,185.72

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Solution

The fourth proportional to 171,152,830.68, 236,189,509.36 and 92,836,185.72 is: 128,113,178.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,152,830.68 : 236,189,509.36 = 92,836,185.72 : x
  2. Step 2: Convert to fraction form
    171,152,830.68/236,189,509.36 = 92,836,185.72/x
  3. Step 3: Cross multiply
    171,152,830.68x = 236,189,509.36 × 92,836,185.72
  4. Step 4: Simplify right side
    171,152,830.68x = 21,926,933,156,060,640
  5. Step 5: Solve for x
    x = 21,926,933,156,060,640/171,152,830.68
  6. Step 6: Final answer
    x = 128,113,178.55

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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.