Home / 84,512,100.15-126,776,712.32-29,172,722.35

Finding the Fourth Proportional to 84,512,100.15, 126,776,712.32 and 29,172,722.35

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Solution

The fourth proportional to 84,512,100.15, 126,776,712.32 and 29,172,722.35 is: 43,762,039.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,512,100.15 : 126,776,712.32 = 29,172,722.35 : x
  2. Step 2: Convert to fraction form
    84,512,100.15/126,776,712.32 = 29,172,722.35/x
  3. Step 3: Cross multiply
    84,512,100.15x = 126,776,712.32 × 29,172,722.35
  4. Step 4: Simplify right side
    84,512,100.15x = 3,698,421,828,957,184.50
  5. Step 5: Solve for x
    x = 3,698,421,828,957,184.50/84,512,100.15
  6. Step 6: Final answer
    x = 43,762,039.08

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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.