Home / 129,057,207.47-178,096,703.92-70,320,355.24

Finding the Fourth Proportional to 129,057,207.47, 178,096,703.92 and 70,320,355.24

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Solution

The fourth proportional to 129,057,207.47, 178,096,703.92 and 70,320,355.24 is: 97,040,868.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,057,207.47 : 178,096,703.92 = 70,320,355.24 : x
  2. Step 2: Convert to fraction form
    129,057,207.47/178,096,703.92 = 70,320,355.24/x
  3. Step 3: Cross multiply
    129,057,207.47x = 178,096,703.92 × 70,320,355.24
  4. Step 4: Simplify right side
    129,057,207.47x = 12,523,823,487,307,462
  5. Step 5: Solve for x
    x = 12,523,823,487,307,462/129,057,207.47
  6. Step 6: Final answer
    x = 97,040,868.41

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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.