Home / 91,611,178.56-126,484,303.56-70,380,144.92

Finding the Fourth Proportional to 91,611,178.56, 126,484,303.56 and 70,380,144.92

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Solution

The fourth proportional to 91,611,178.56, 126,484,303.56 and 70,380,144.92 is: 97,171,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,611,178.56 : 126,484,303.56 = 70,380,144.92 : x
  2. Step 2: Convert to fraction form
    91,611,178.56/126,484,303.56 = 70,380,144.92/x
  3. Step 3: Cross multiply
    91,611,178.56x = 126,484,303.56 × 70,380,144.92
  4. Step 4: Simplify right side
    91,611,178.56x = 8,901,983,614,658,072
  5. Step 5: Solve for x
    x = 8,901,983,614,658,072/91,611,178.56
  6. Step 6: Final answer
    x = 97,171,368.76

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1.5x scale

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.