Home / 85,528,433.76-128,285,956.32-24,115,112.16

Finding the Fourth Proportional to 85,528,433.76, 128,285,956.32 and 24,115,112.16

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Solution

The fourth proportional to 85,528,433.76, 128,285,956.32 and 24,115,112.16 is: 36,170,780.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,528,433.76 : 128,285,956.32 = 24,115,112.16 : x
  2. Step 2: Convert to fraction form
    85,528,433.76/128,285,956.32 = 24,115,112.16/x
  3. Step 3: Cross multiply
    85,528,433.76x = 128,285,956.32 × 24,115,112.16
  4. Step 4: Simplify right side
    85,528,433.76x = 3,093,630,225,209,660.50
  5. Step 5: Solve for x
    x = 3,093,630,225,209,660.50/85,528,433.76
  6. Step 6: Final answer
    x = 36,170,780.75

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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.