Home / 112,153,754.66-154,792,440.59-66,893,401.06

Finding the Fourth Proportional to 112,153,754.66, 154,792,440.59 and 66,893,401.06

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Solution

The fourth proportional to 112,153,754.66, 154,792,440.59 and 66,893,401.06 is: 92,324,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,153,754.66 : 154,792,440.59 = 66,893,401.06 : x
  2. Step 2: Convert to fraction form
    112,153,754.66/154,792,440.59 = 66,893,401.06/x
  3. Step 3: Cross multiply
    112,153,754.66x = 154,792,440.59 × 66,893,401.06
  4. Step 4: Simplify right side
    112,153,754.66x = 10,354,592,808,721,646
  5. Step 5: Solve for x
    x = 10,354,592,808,721,646/112,153,754.66
  6. Step 6: Final answer
    x = 92,324,976.91

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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.