Home / 91,776,187.40-137,664,281.10-64,305,134.60

Finding the Fourth Proportional to 91,776,187.40, 137,664,281.10 and 64,305,134.60

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Solution

The fourth proportional to 91,776,187.40, 137,664,281.10 and 64,305,134.60 is: 96,457,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,776,187.40 : 137,664,281.10 = 64,305,134.60 : x
  2. Step 2: Convert to fraction form
    91,776,187.40/137,664,281.10 = 64,305,134.60/x
  3. Step 3: Cross multiply
    91,776,187.40x = 137,664,281.10 × 64,305,134.60
  4. Step 4: Simplify right side
    91,776,187.40x = 8,852,520,125,747,736
  5. Step 5: Solve for x
    x = 8,852,520,125,747,736/91,776,187.40
  6. Step 6: Final answer
    x = 96,457,701.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.