Home / 55,836,981.36-77,053,929.30-31,056,635.16

Finding the Fourth Proportional to 55,836,981.36, 77,053,929.30 and 31,056,635.16

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Solution

The fourth proportional to 55,836,981.36, 77,053,929.30 and 31,056,635.16 is: 42,857,541.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,836,981.36 : 77,053,929.30 = 31,056,635.16 : x
  2. Step 2: Convert to fraction form
    55,836,981.36/77,053,929.30 = 31,056,635.16/x
  3. Step 3: Cross multiply
    55,836,981.36x = 77,053,929.30 × 31,056,635.16
  4. Step 4: Simplify right side
    55,836,981.36x = 2,393,035,769,914,534
  5. Step 5: Solve for x
    x = 2,393,035,769,914,534/55,836,981.36
  6. Step 6: Final answer
    x = 42,857,541.93

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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.