Home / 231,420,978,900.58-347,176,172,007.26-87,988,854,965.22

Finding the Fourth Proportional to 231,420,978,900.58, 347,176,172,007.26 and 87,988,854,965.22

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Solution

The fourth proportional to 231,420,978,900.58, 347,176,172,007.26 and 87,988,854,965.22 is: 132,000,279,280.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,420,978,900.58 : 347,176,172,007.26 = 87,988,854,965.22 : x
  2. Step 2: Convert to fraction form
    231,420,978,900.58/347,176,172,007.26 = 87,988,854,965.22/x
  3. Step 3: Cross multiply
    231,420,978,900.58x = 347,176,172,007.26 × 87,988,854,965.22
  4. Step 4: Simplify right side
    231,420,978,900.58x = 30,547,633,846,127,071,068,160
  5. Step 5: Solve for x
    x = 30,547,633,846,127,071,068,160/231,420,978,900.58
  6. Step 6: Final answer
    x = 132,000,279,280.00

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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.