Home / 215,604,362.40-323,406,543.60-181,592,138.40

Finding the Fourth Proportional to 215,604,362.40, 323,406,543.60 and 181,592,138.40

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Solution

The fourth proportional to 215,604,362.40, 323,406,543.60 and 181,592,138.40 is: 272,388,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,604,362.40 : 323,406,543.60 = 181,592,138.40 : x
  2. Step 2: Convert to fraction form
    215,604,362.40/323,406,543.60 = 181,592,138.40/x
  3. Step 3: Cross multiply
    215,604,362.40x = 323,406,543.60 × 181,592,138.40
  4. Step 4: Simplify right side
    215,604,362.40x = 58,728,085,824,876,840
  5. Step 5: Solve for x
    x = 58,728,085,824,876,840/215,604,362.40
  6. Step 6: Final answer
    x = 272,388,207.60

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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.