Home / 111,456,009.40-167,184,014.10-84,246,230.20

Finding the Fourth Proportional to 111,456,009.40, 167,184,014.10 and 84,246,230.20

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Solution

The fourth proportional to 111,456,009.40, 167,184,014.10 and 84,246,230.20 is: 126,369,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,456,009.40 : 167,184,014.10 = 84,246,230.20 : x
  2. Step 2: Convert to fraction form
    111,456,009.40/167,184,014.10 = 84,246,230.20/x
  3. Step 3: Cross multiply
    111,456,009.40x = 167,184,014.10 × 84,246,230.20
  4. Step 4: Simplify right side
    111,456,009.40x = 14,084,622,937,628,646
  5. Step 5: Solve for x
    x = 14,084,622,937,628,646/111,456,009.40
  6. Step 6: Final answer
    x = 126,369,345.30

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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.