Home / 209,981,985.24-315,133,742.34-95,047,241.88

Finding the Fourth Proportional to 209,981,985.24, 315,133,742.34 and 95,047,241.88

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Solution

The fourth proportional to 209,981,985.24, 315,133,742.34 and 95,047,241.88 is: 142,643,632.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,981,985.24 : 315,133,742.34 = 95,047,241.88 : x
  2. Step 2: Convert to fraction form
    209,981,985.24/315,133,742.34 = 95,047,241.88/x
  3. Step 3: Cross multiply
    209,981,985.24x = 315,133,742.34 × 95,047,241.88
  4. Step 4: Simplify right side
    209,981,985.24x = 29,952,593,032,739,572
  5. Step 5: Solve for x
    x = 29,952,593,032,739,572/209,981,985.24
  6. Step 6: Final answer
    x = 142,643,632.02

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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.