Home / 160,520,863.03-221,519,924.72-87,182,005.03

Finding the Fourth Proportional to 160,520,863.03, 221,519,924.72 and 87,182,005.03

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Solution

The fourth proportional to 160,520,863.03, 221,519,924.72 and 87,182,005.03 is: 120,311,782.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,520,863.03 : 221,519,924.72 = 87,182,005.03 : x
  2. Step 2: Convert to fraction form
    160,520,863.03/221,519,924.72 = 87,182,005.03/x
  3. Step 3: Cross multiply
    160,520,863.03x = 221,519,924.72 × 87,182,005.03
  4. Step 4: Simplify right side
    160,520,863.03x = 19,312,551,190,521,484
  5. Step 5: Solve for x
    x = 19,312,551,190,521,484/160,520,863.03
  6. Step 6: Final answer
    x = 120,311,782.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.