Home / 260,058,970.40-390,088,455.60-106,815,005.60

Finding the Fourth Proportional to 260,058,970.40, 390,088,455.60 and 106,815,005.60

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Solution

The fourth proportional to 260,058,970.40, 390,088,455.60 and 106,815,005.60 is: 160,222,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,058,970.40 : 390,088,455.60 = 106,815,005.60 : x
  2. Step 2: Convert to fraction form
    260,058,970.40/390,088,455.60 = 106,815,005.60/x
  3. Step 3: Cross multiply
    260,058,970.40x = 390,088,455.60 × 106,815,005.60
  4. Step 4: Simplify right side
    260,058,970.40x = 41,667,300,569,409,352
  5. Step 5: Solve for x
    x = 41,667,300,569,409,352/260,058,970.40
  6. Step 6: Final answer
    x = 160,222,508.40

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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.