Home / 306,618,000.01-423,130,687.45-167,388,761.72

Finding the Fourth Proportional to 306,618,000.01, 423,130,687.45 and 167,388,761.72

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Solution

The fourth proportional to 306,618,000.01, 423,130,687.45 and 167,388,761.72 is: 230,995,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,618,000.01 : 423,130,687.45 = 167,388,761.72 : x
  2. Step 2: Convert to fraction form
    306,618,000.01/423,130,687.45 = 167,388,761.72/x
  3. Step 3: Cross multiply
    306,618,000.01x = 423,130,687.45 × 167,388,761.72
  4. Step 4: Simplify right side
    306,618,000.01x = 70,827,321,818,627,200
  5. Step 5: Solve for x
    x = 70,827,321,818,627,200/306,618,000.01
  6. Step 6: Final answer
    x = 230,995,316.05

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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.