Home / 132,880,051.80-199,376,064.90-72,339,226.20

Finding the Fourth Proportional to 132,880,051.80, 199,376,064.90 and 72,339,226.20

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Solution

The fourth proportional to 132,880,051.80, 199,376,064.90 and 72,339,226.20 is: 108,539,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,880,051.80 : 199,376,064.90 = 72,339,226.20 : x
  2. Step 2: Convert to fraction form
    132,880,051.80/199,376,064.90 = 72,339,226.20/x
  3. Step 3: Cross multiply
    132,880,051.80x = 199,376,064.90 × 72,339,226.20
  4. Step 4: Simplify right side
    132,880,051.80x = 14,422,710,257,666,982
  5. Step 5: Solve for x
    x = 14,422,710,257,666,982/132,880,051.80
  6. Step 6: Final answer
    x = 108,539,318.45

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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.