Home / 144,769,995,227.08-199,784,432,022.78-79,671,917,644.12

Finding the Fourth Proportional to 144,769,995,227.08, 199,784,432,022.78 and 79,671,917,644.12

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Solution

The fourth proportional to 144,769,995,227.08, 199,784,432,022.78 and 79,671,917,644.12 is: 109,948,258,199.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,769,995,227.08 : 199,784,432,022.78 = 79,671,917,644.12 : x
  2. Step 2: Convert to fraction form
    144,769,995,227.08/199,784,432,022.78 = 79,671,917,644.12/x
  3. Step 3: Cross multiply
    144,769,995,227.08x = 199,784,432,022.78 × 79,671,917,644.12
  4. Step 4: Simplify right side
    144,769,995,227.08x = 15,917,208,814,696,217,444,352
  5. Step 5: Solve for x
    x = 15,917,208,814,696,217,444,352/144,769,995,227.08
  6. Step 6: Final answer
    x = 109,948,258,199.01

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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.