Home / 93,205,146.52-128,678,276.10-82,863,304.66

Finding the Fourth Proportional to 93,205,146.52, 128,678,276.10 and 82,863,304.66

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Solution

The fourth proportional to 93,205,146.52, 128,678,276.10 and 82,863,304.66 is: 114,400,412.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,205,146.52 : 128,678,276.10 = 82,863,304.66 : x
  2. Step 2: Convert to fraction form
    93,205,146.52/128,678,276.10 = 82,863,304.66/x
  3. Step 3: Cross multiply
    93,205,146.52x = 128,678,276.10 × 82,863,304.66
  4. Step 4: Simplify right side
    93,205,146.52x = 10,662,707,195,597,896
  5. Step 5: Solve for x
    x = 10,662,707,195,597,896/93,205,146.52
  6. Step 6: Final answer
    x = 114,400,412.36

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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.