Home / 91,611,168.06-126,484,289.06-70,380,134.42

Finding the Fourth Proportional to 91,611,168.06, 126,484,289.06 and 70,380,134.42

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Solution

The fourth proportional to 91,611,168.06, 126,484,289.06 and 70,380,134.42 is: 97,171,354.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,611,168.06 : 126,484,289.06 = 70,380,134.42 : x
  2. Step 2: Convert to fraction form
    91,611,168.06/126,484,289.06 = 70,380,134.42/x
  3. Step 3: Cross multiply
    91,611,168.06x = 126,484,289.06 × 70,380,134.42
  4. Step 4: Simplify right side
    91,611,168.06x = 8,901,981,266,060,936
  5. Step 5: Solve for x
    x = 8,901,981,266,060,936/91,611,168.06
  6. Step 6: Final answer
    x = 97,171,354.26

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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.