Home / 99,776,307.60-149,664,461.40-82,980,147.60

Finding the Fourth Proportional to 99,776,307.60, 149,664,461.40 and 82,980,147.60

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Solution

The fourth proportional to 99,776,307.60, 149,664,461.40 and 82,980,147.60 is: 124,470,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,776,307.60 : 149,664,461.40 = 82,980,147.60 : x
  2. Step 2: Convert to fraction form
    99,776,307.60/149,664,461.40 = 82,980,147.60/x
  3. Step 3: Cross multiply
    99,776,307.60x = 149,664,461.40 × 82,980,147.60
  4. Step 4: Simplify right side
    99,776,307.60x = 12,419,179,097,446,502
  5. Step 5: Solve for x
    x = 12,419,179,097,446,502/99,776,307.60
  6. Step 6: Final answer
    x = 124,470,221.40

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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.