Home / 109,362,365.92-150,848,953.28-70,142,020.08

Finding the Fourth Proportional to 109,362,365.92, 150,848,953.28 and 70,142,020.08

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Solution

The fourth proportional to 109,362,365.92, 150,848,953.28 and 70,142,020.08 is: 96,750,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,362,365.92 : 150,848,953.28 = 70,142,020.08 : x
  2. Step 2: Convert to fraction form
    109,362,365.92/150,848,953.28 = 70,142,020.08/x
  3. Step 3: Cross multiply
    109,362,365.92x = 150,848,953.28 × 70,142,020.08
  4. Step 4: Simplify right side
    109,362,365.92x = 10,580,850,310,012,742
  5. Step 5: Solve for x
    x = 10,580,850,310,012,742/109,362,365.92
  6. Step 6: Final answer
    x = 96,750,378.62

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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.