Home / 255,405,158.20-352,459,104.72-137,930,477.05

Finding the Fourth Proportional to 255,405,158.20, 352,459,104.72 and 137,930,477.05

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Solution

The fourth proportional to 255,405,158.20, 352,459,104.72 and 137,930,477.05 is: 190,344,050.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,405,158.20 : 352,459,104.72 = 137,930,477.05 : x
  2. Step 2: Convert to fraction form
    255,405,158.20/352,459,104.72 = 137,930,477.05/x
  3. Step 3: Cross multiply
    255,405,158.20x = 352,459,104.72 × 137,930,477.05
  4. Step 4: Simplify right side
    255,405,158.20x = 48,614,852,453,365,952
  5. Step 5: Solve for x
    x = 48,614,852,453,365,952/255,405,158.20
  6. Step 6: Final answer
    x = 190,344,050.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.