Home / 111,878,512.40-167,534,333.40-89,203,696.40

Finding the Fourth Proportional to 111,878,512.40, 167,534,333.40 and 89,203,696.40

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Solution

The fourth proportional to 111,878,512.40, 167,534,333.40 and 89,203,696.40 is: 133,579,554.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,878,512.40 : 167,534,333.40 = 89,203,696.40 : x
  2. Step 2: Convert to fraction form
    111,878,512.40/167,534,333.40 = 89,203,696.40/x
  3. Step 3: Cross multiply
    111,878,512.40x = 167,534,333.40 × 89,203,696.40
  4. Step 4: Simplify right side
    111,878,512.40x = 14,944,681,813,189,982
  5. Step 5: Solve for x
    x = 14,944,681,813,189,982/111,878,512.40
  6. Step 6: Final answer
    x = 133,579,554.22

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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.