Home / 291,470,794.40-437,255,180.40-87,019,536.80

Finding the Fourth Proportional to 291,470,794.40, 437,255,180.40 and 87,019,536.80

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Solution

The fourth proportional to 291,470,794.40, 437,255,180.40 and 87,019,536.80 is: 130,543,930.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,470,794.40 : 437,255,180.40 = 87,019,536.80 : x
  2. Step 2: Convert to fraction form
    291,470,794.40/437,255,180.40 = 87,019,536.80/x
  3. Step 3: Cross multiply
    291,470,794.40x = 437,255,180.40 × 87,019,536.80
  4. Step 4: Simplify right side
    291,470,794.40x = 38,049,743,261,808,432
  5. Step 5: Solve for x
    x = 38,049,743,261,808,432/291,470,794.40
  6. Step 6: Final answer
    x = 130,543,930.96

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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.