Home / 132,982,005.10-199,473,007.65-81,963,669.10

Finding the Fourth Proportional to 132,982,005.10, 199,473,007.65 and 81,963,669.10

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Solution

The fourth proportional to 132,982,005.10, 199,473,007.65 and 81,963,669.10 is: 122,945,503.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,982,005.10 : 199,473,007.65 = 81,963,669.10 : x
  2. Step 2: Convert to fraction form
    132,982,005.10/199,473,007.65 = 81,963,669.10/x
  3. Step 3: Cross multiply
    132,982,005.10x = 199,473,007.65 × 81,963,669.10
  4. Step 4: Simplify right side
    132,982,005.10x = 16,349,539,593,406,368
  5. Step 5: Solve for x
    x = 16,349,539,593,406,368/132,982,005.10
  6. Step 6: Final answer
    x = 122,945,503.65

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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.