Home / 99,696,045.60-149,558,065.20-31,531,629.60

Finding the Fourth Proportional to 99,696,045.60, 149,558,065.20 and 31,531,629.60

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Solution

The fourth proportional to 99,696,045.60, 149,558,065.20 and 31,531,629.60 is: 47,301,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696,045.60 : 149,558,065.20 = 31,531,629.60 : x
  2. Step 2: Convert to fraction form
    99,696,045.60/149,558,065.20 = 31,531,629.60/x
  3. Step 3: Cross multiply
    99,696,045.60x = 149,558,065.20 × 31,531,629.60
  4. Step 4: Simplify right side
    99,696,045.60x = 4,715,809,515,579,050
  5. Step 5: Solve for x
    x = 4,715,809,515,579,050/99,696,045.60
  6. Step 6: Final answer
    x = 47,301,871.27

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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.