Home / 163,555,129.35-245,334,831-54,380,300.43

Finding the Fourth Proportional to 163,555,129.35, 245,334,831 and 54,380,300.43

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Solution

The fourth proportional to 163,555,129.35, 245,334,831 and 54,380,300.43 is: 81,571,161.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,555,129.35 : 245,334,831 = 54,380,300.43 : x
  2. Step 2: Convert to fraction form
    163,555,129.35/245,334,831 = 54,380,300.43/x
  3. Step 3: Cross multiply
    163,555,129.35x = 245,334,831 × 54,380,300.43
  4. Step 4: Simplify right side
    163,555,129.35x = 13,341,381,815,723,278
  5. Step 5: Solve for x
    x = 13,341,381,815,723,278/163,555,129.35
  6. Step 6: Final answer
    x = 81,571,161.17

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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.