Home / 261,244,278-360,516,997.68-143,769,607.92

Finding the Fourth Proportional to 261,244,278, 360,516,997.68 and 143,769,607.92

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Solution

The fourth proportional to 261,244,278, 360,516,997.68 and 143,769,607.92 is: 198,402,000.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,244,278 : 360,516,997.68 = 143,769,607.92 : x
  2. Step 2: Convert to fraction form
    261,244,278/360,516,997.68 = 143,769,607.92/x
  3. Step 3: Cross multiply
    261,244,278x = 360,516,997.68 × 143,769,607.92
  4. Step 4: Simplify right side
    261,244,278x = 51,831,387,404,949,144
  5. Step 5: Solve for x
    x = 51,831,387,404,949,144/261,244,278
  6. Step 6: Final answer
    x = 198,402,000.62

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1.5x scale

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.