Home / 157,464,481.60-236,196,722.40-145,028,762.20

Finding the Fourth Proportional to 157,464,481.60, 236,196,722.40 and 145,028,762.20

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Solution

The fourth proportional to 157,464,481.60, 236,196,722.40 and 145,028,762.20 is: 217,543,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,481.60 : 236,196,722.40 = 145,028,762.20 : x
  2. Step 2: Convert to fraction form
    157,464,481.60/236,196,722.40 = 145,028,762.20/x
  3. Step 3: Cross multiply
    157,464,481.60x = 236,196,722.40 × 145,028,762.20
  4. Step 4: Simplify right side
    157,464,481.60x = 34,255,318,285,369,012
  5. Step 5: Solve for x
    x = 34,255,318,285,369,012/157,464,481.60
  6. Step 6: Final answer
    x = 217,543,143.30

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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.