Home / 163,884,821.32-245,843,778.53-53,215,863.90

Finding the Fourth Proportional to 163,884,821.32, 245,843,778.53 and 53,215,863.90

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Solution

The fourth proportional to 163,884,821.32, 245,843,778.53 and 53,215,863.90 is: 79,829,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,884,821.32 : 245,843,778.53 = 53,215,863.90 : x
  2. Step 2: Convert to fraction form
    163,884,821.32/245,843,778.53 = 53,215,863.90/x
  3. Step 3: Cross multiply
    163,884,821.32x = 245,843,778.53 × 53,215,863.90
  4. Step 4: Simplify right side
    163,884,821.32x = 13,082,789,058,914,222
  5. Step 5: Solve for x
    x = 13,082,789,058,914,222/163,884,821.32
  6. Step 6: Final answer
    x = 79,829,168.76

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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.