Home / 127,467,057,715.96-175,919,964,644.05-72,547,584,339.44

Finding the Fourth Proportional to 127,467,057,715.96, 175,919,964,644.05 and 72,547,584,339.44

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Solution

The fourth proportional to 127,467,057,715.96, 175,919,964,644.05 and 72,547,584,339.44 is: 100,124,445,489.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,467,057,715.96 : 175,919,964,644.05 = 72,547,584,339.44 : x
  2. Step 2: Convert to fraction form
    127,467,057,715.96/175,919,964,644.05 = 72,547,584,339.44/x
  3. Step 3: Cross multiply
    127,467,057,715.96x = 175,919,964,644.05 × 72,547,584,339.44
  4. Step 4: Simplify right side
    127,467,057,715.96x = 12,762,568,472,005,519,081,472
  5. Step 5: Solve for x
    x = 12,762,568,472,005,519,081,472/127,467,057,715.96
  6. Step 6: Final answer
    x = 100,124,445,489.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.