Home / 173,868,005.40-260,802,008.10-112,646,002.20

Finding the Fourth Proportional to 173,868,005.40, 260,802,008.10 and 112,646,002.20

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Solution

The fourth proportional to 173,868,005.40, 260,802,008.10 and 112,646,002.20 is: 168,969,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,868,005.40 : 260,802,008.10 = 112,646,002.20 : x
  2. Step 2: Convert to fraction form
    173,868,005.40/260,802,008.10 = 112,646,002.20/x
  3. Step 3: Cross multiply
    173,868,005.40x = 260,802,008.10 × 112,646,002.20
  4. Step 4: Simplify right side
    173,868,005.40x = 29,378,303,578,197,016
  5. Step 5: Solve for x
    x = 29,378,303,578,197,016/173,868,005.40
  6. Step 6: Final answer
    x = 168,969,003.30

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1.5x scale

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.