Home / 126,251,921.43-174,347,980.47-119,373,795.45

Finding the Fourth Proportional to 126,251,921.43, 174,347,980.47 and 119,373,795.45

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Solution

The fourth proportional to 126,251,921.43, 174,347,980.47 and 119,373,795.45 is: 164,849,611.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,251,921.43 : 174,347,980.47 = 119,373,795.45 : x
  2. Step 2: Convert to fraction form
    126,251,921.43/174,347,980.47 = 119,373,795.45/x
  3. Step 3: Cross multiply
    126,251,921.43x = 174,347,980.47 × 119,373,795.45
  4. Step 4: Simplify right side
    126,251,921.43x = 20,812,580,157,746,376
  5. Step 5: Solve for x
    x = 20,812,580,157,746,376/126,251,921.43
  6. Step 6: Final answer
    x = 164,849,611.17

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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.