Home / 153,693,443.52-212,098,626.09-84,077,329.73

Finding the Fourth Proportional to 153,693,443.52, 212,098,626.09 and 84,077,329.73

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Solution

The fourth proportional to 153,693,443.52, 212,098,626.09 and 84,077,329.73 is: 116,027,630.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,693,443.52 : 212,098,626.09 = 84,077,329.73 : x
  2. Step 2: Convert to fraction form
    153,693,443.52/212,098,626.09 = 84,077,329.73/x
  3. Step 3: Cross multiply
    153,693,443.52x = 212,098,626.09 × 84,077,329.73
  4. Step 4: Simplify right side
    153,693,443.52x = 17,832,686,119,988,416
  5. Step 5: Solve for x
    x = 17,832,686,119,988,416/153,693,443.52
  6. Step 6: Final answer
    x = 116,027,630.79

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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.