Home / 111,328,014.90-166,992,022.35-70,513,346.10

Finding the Fourth Proportional to 111,328,014.90, 166,992,022.35 and 70,513,346.10

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Solution

The fourth proportional to 111,328,014.90, 166,992,022.35 and 70,513,346.10 is: 105,770,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,328,014.90 : 166,992,022.35 = 70,513,346.10 : x
  2. Step 2: Convert to fraction form
    111,328,014.90/166,992,022.35 = 70,513,346.10/x
  3. Step 3: Cross multiply
    111,328,014.90x = 166,992,022.35 × 70,513,346.10
  4. Step 4: Simplify right side
    111,328,014.90x = 11,775,166,267,904,484
  5. Step 5: Solve for x
    x = 11,775,166,267,904,484/111,328,014.90
  6. Step 6: Final answer
    x = 105,770,019.15

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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.