Home / 115,911,809.60-173,867,714.40-107,152,923.20

Finding the Fourth Proportional to 115,911,809.60, 173,867,714.40 and 107,152,923.20

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Solution

The fourth proportional to 115,911,809.60, 173,867,714.40 and 107,152,923.20 is: 160,729,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,911,809.60 : 173,867,714.40 = 107,152,923.20 : x
  2. Step 2: Convert to fraction form
    115,911,809.60/173,867,714.40 = 107,152,923.20/x
  3. Step 3: Cross multiply
    115,911,809.60x = 173,867,714.40 × 107,152,923.20
  4. Step 4: Simplify right side
    115,911,809.60x = 18,630,433,848,062,736
  5. Step 5: Solve for x
    x = 18,630,433,848,062,736/115,911,809.60
  6. Step 6: Final answer
    x = 160,729,384.80

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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.