Home / 157,464,280.20-236,196,420.30-145,985,154.60

Finding the Fourth Proportional to 157,464,280.20, 236,196,420.30 and 145,985,154.60

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Solution

The fourth proportional to 157,464,280.20, 236,196,420.30 and 145,985,154.60 is: 218,977,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,280.20 : 236,196,420.30 = 145,985,154.60 : x
  2. Step 2: Convert to fraction form
    157,464,280.20/236,196,420.30 = 145,985,154.60/x
  3. Step 3: Cross multiply
    157,464,280.20x = 236,196,420.30 × 145,985,154.60
  4. Step 4: Simplify right side
    157,464,280.20x = 34,481,170,933,462,080
  5. Step 5: Solve for x
    x = 34,481,170,933,462,080/157,464,280.20
  6. Step 6: Final answer
    x = 218,977,731.90

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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.