Home / 104,781,011.92-157,195,079.52-31,991,703.28

Finding the Fourth Proportional to 104,781,011.92, 157,195,079.52 and 31,991,703.28

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Solution

The fourth proportional to 104,781,011.92, 157,195,079.52 and 31,991,703.28 is: 47,994,748.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,781,011.92 : 157,195,079.52 = 31,991,703.28 : x
  2. Step 2: Convert to fraction form
    104,781,011.92/157,195,079.52 = 31,991,703.28/x
  3. Step 3: Cross multiply
    104,781,011.92x = 157,195,079.52 × 31,991,703.28
  4. Step 4: Simplify right side
    104,781,011.92x = 5,028,938,341,079,845
  5. Step 5: Solve for x
    x = 5,028,938,341,079,845/104,781,011.92
  6. Step 6: Final answer
    x = 47,994,748.75

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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.