Home / 220,104,583.40-330,156,875.10-90,669,175.40

Finding the Fourth Proportional to 220,104,583.40, 330,156,875.10 and 90,669,175.40

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Solution

The fourth proportional to 220,104,583.40, 330,156,875.10 and 90,669,175.40 is: 136,003,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,104,583.40 : 330,156,875.10 = 90,669,175.40 : x
  2. Step 2: Convert to fraction form
    220,104,583.40/330,156,875.10 = 90,669,175.40/x
  3. Step 3: Cross multiply
    220,104,583.40x = 330,156,875.10 × 90,669,175.40
  4. Step 4: Simplify right side
    220,104,583.40x = 29,935,051,617,957,796
  5. Step 5: Solve for x
    x = 29,935,051,617,957,796/220,104,583.40
  6. Step 6: Final answer
    x = 136,003,763.10

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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.