Home / 106,442,705.40-159,664,058.10-72,430,481.40

Finding the Fourth Proportional to 106,442,705.40, 159,664,058.10 and 72,430,481.40

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Solution

The fourth proportional to 106,442,705.40, 159,664,058.10 and 72,430,481.40 is: 108,645,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,442,705.40 : 159,664,058.10 = 72,430,481.40 : x
  2. Step 2: Convert to fraction form
    106,442,705.40/159,664,058.10 = 72,430,481.40/x
  3. Step 3: Cross multiply
    106,442,705.40x = 159,664,058.10 × 72,430,481.40
  4. Step 4: Simplify right side
    106,442,705.40x = 11,564,544,590,460,570
  5. Step 5: Solve for x
    x = 11,564,544,590,460,570/106,442,705.40
  6. Step 6: Final answer
    x = 108,645,722.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.