Home / 163,555,130.35-245,334,832.50-54,380,301.43

Finding the Fourth Proportional to 163,555,130.35, 245,334,832.50 and 54,380,301.43

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Solution

The fourth proportional to 163,555,130.35, 245,334,832.50 and 54,380,301.43 is: 81,571,162.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,555,130.35 : 245,334,832.50 = 54,380,301.43 : x
  2. Step 2: Convert to fraction form
    163,555,130.35/245,334,832.50 = 54,380,301.43/x
  3. Step 3: Cross multiply
    163,555,130.35x = 245,334,832.50 × 54,380,301.43
  4. Step 4: Simplify right side
    163,555,130.35x = 13,341,382,142,628,560
  5. Step 5: Solve for x
    x = 13,341,382,142,628,560/163,555,130.35
  6. Step 6: Final answer
    x = 81,571,162.67

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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.