Home / 153,693,517.36-212,098,727.64-84,077,403.52

Finding the Fourth Proportional to 153,693,517.36, 212,098,727.64 and 84,077,403.52

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Solution

The fourth proportional to 153,693,517.36, 212,098,727.64 and 84,077,403.52 is: 116,027,732.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,693,517.36 : 212,098,727.64 = 84,077,403.52 : x
  2. Step 2: Convert to fraction form
    153,693,517.36/212,098,727.64 = 84,077,403.52/x
  3. Step 3: Cross multiply
    153,693,517.36x = 212,098,727.64 × 84,077,403.52
  4. Step 4: Simplify right side
    153,693,517.36x = 17,832,710,309,866,856
  5. Step 5: Solve for x
    x = 17,832,710,309,866,856/153,693,517.36
  6. Step 6: Final answer
    x = 116,027,732.44

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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.