Home / 272,912,595.40-409,368,893.10-243,435,334.60

Finding the Fourth Proportional to 272,912,595.40, 409,368,893.10 and 243,435,334.60

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Solution

The fourth proportional to 272,912,595.40, 409,368,893.10 and 243,435,334.60 is: 365,153,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,912,595.40 : 409,368,893.10 = 243,435,334.60 : x
  2. Step 2: Convert to fraction form
    272,912,595.40/409,368,893.10 = 243,435,334.60/x
  3. Step 3: Cross multiply
    272,912,595.40x = 409,368,893.10 × 243,435,334.60
  4. Step 4: Simplify right side
    272,912,595.40x = 99,654,853,466,630,128
  5. Step 5: Solve for x
    x = 99,654,853,466,630,128/272,912,595.40
  6. Step 6: Final answer
    x = 365,153,001.90

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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.