Home / 99,776,317.60-149,664,476.40-82,980,157.60

Finding the Fourth Proportional to 99,776,317.60, 149,664,476.40 and 82,980,157.60

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Solution

The fourth proportional to 99,776,317.60, 149,664,476.40 and 82,980,157.60 is: 124,470,236.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,776,317.60 : 149,664,476.40 = 82,980,157.60 : x
  2. Step 2: Convert to fraction form
    99,776,317.60/149,664,476.40 = 82,980,157.60/x
  3. Step 3: Cross multiply
    99,776,317.60x = 149,664,476.40 × 82,980,157.60
  4. Step 4: Simplify right side
    99,776,317.60x = 12,419,181,838,793,480
  5. Step 5: Solve for x
    x = 12,419,181,838,793,480/99,776,317.60
  6. Step 6: Final answer
    x = 124,470,236.40

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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.