Home / 210,022,375,717.92-289,830,892,657.44-114,975,215,749.92

Finding the Fourth Proportional to 210,022,375,717.92, 289,830,892,657.44 and 114,975,215,749.92

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Solution

The fourth proportional to 210,022,375,717.92, 289,830,892,657.44 and 114,975,215,749.92 is: 158,665,805,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,022,375,717.92 : 289,830,892,657.44 = 114,975,215,749.92 : x
  2. Step 2: Convert to fraction form
    210,022,375,717.92/289,830,892,657.44 = 114,975,215,749.92/x
  3. Step 3: Cross multiply
    210,022,375,717.92x = 289,830,892,657.44 × 114,975,215,749.92
  4. Step 4: Simplify right side
    210,022,375,717.92x = 33,323,369,414,281,066,971,136
  5. Step 5: Solve for x
    x = 33,323,369,414,281,066,971,136/210,022,375,717.92
  6. Step 6: Final answer
    x = 158,665,805,490.35

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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.