Home / 111,456,581.40-167,184,872.10-38,649,164.40

Finding the Fourth Proportional to 111,456,581.40, 167,184,872.10 and 38,649,164.40

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Solution

The fourth proportional to 111,456,581.40, 167,184,872.10 and 38,649,164.40 is: 57,973,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,456,581.40 : 167,184,872.10 = 38,649,164.40 : x
  2. Step 2: Convert to fraction form
    111,456,581.40/167,184,872.10 = 38,649,164.40/x
  3. Step 3: Cross multiply
    111,456,581.40x = 167,184,872.10 × 38,649,164.40
  4. Step 4: Simplify right side
    111,456,581.40x = 6,461,555,606,985,873
  5. Step 5: Solve for x
    x = 6,461,555,606,985,873/111,456,581.40
  6. Step 6: Final answer
    x = 57,973,746.60

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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.