Home / 120,458,808.04-166,234,206.90-65,454,662.92

Finding the Fourth Proportional to 120,458,808.04, 166,234,206.90 and 65,454,662.92

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Solution

The fourth proportional to 120,458,808.04, 166,234,206.90 and 65,454,662.92 is: 90,328,006.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,458,808.04 : 166,234,206.90 = 65,454,662.92 : x
  2. Step 2: Convert to fraction form
    120,458,808.04/166,234,206.90 = 65,454,662.92/x
  3. Step 3: Cross multiply
    120,458,808.04x = 166,234,206.90 × 65,454,662.92
  4. Step 4: Simplify right side
    120,458,808.04x = 10,880,803,978,413,038
  5. Step 5: Solve for x
    x = 10,880,803,978,413,038/120,458,808.04
  6. Step 6: Final answer
    x = 90,328,006.36

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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.