Home / 154,853,627.32-213,703,643.42-84,285,826.10

Finding the Fourth Proportional to 154,853,627.32, 213,703,643.42 and 84,285,826.10

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Solution

The fourth proportional to 154,853,627.32, 213,703,643.42 and 84,285,826.10 is: 116,317,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,853,627.32 : 213,703,643.42 = 84,285,826.10 : x
  2. Step 2: Convert to fraction form
    154,853,627.32/213,703,643.42 = 84,285,826.10/x
  3. Step 3: Cross multiply
    154,853,627.32x = 213,703,643.42 × 84,285,826.10
  4. Step 4: Simplify right side
    154,853,627.32x = 18,012,188,124,744,580
  5. Step 5: Solve for x
    x = 18,012,188,124,744,580/154,853,627.32
  6. Step 6: Final answer
    x = 116,317,508.59

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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.