Home / 91,611,167.55-126,484,288.37-70,380,133.92

Finding the Fourth Proportional to 91,611,167.55, 126,484,288.37 and 70,380,133.92

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Solution

The fourth proportional to 91,611,167.55, 126,484,288.37 and 70,380,133.92 is: 97,171,353.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,611,167.55 : 126,484,288.37 = 70,380,133.92 : x
  2. Step 2: Convert to fraction form
    91,611,167.55/126,484,288.37 = 70,380,133.92/x
  3. Step 3: Cross multiply
    91,611,167.55x = 126,484,288.37 × 70,380,133.92
  4. Step 4: Simplify right side
    91,611,167.55x = 8,901,981,153,904,598
  5. Step 5: Solve for x
    x = 8,901,981,153,904,598/91,611,167.55
  6. Step 6: Final answer
    x = 97,171,353.58

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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.