Home / 219,110,646.40-328,665,969.60-155,409,654.40

Finding the Fourth Proportional to 219,110,646.40, 328,665,969.60 and 155,409,654.40

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Solution

The fourth proportional to 219,110,646.40, 328,665,969.60 and 155,409,654.40 is: 233,114,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,110,646.40 : 328,665,969.60 = 155,409,654.40 : x
  2. Step 2: Convert to fraction form
    219,110,646.40/328,665,969.60 = 155,409,654.40/x
  3. Step 3: Cross multiply
    219,110,646.40x = 328,665,969.60 × 155,409,654.40
  4. Step 4: Simplify right side
    219,110,646.40x = 51,077,864,748,576,912
  5. Step 5: Solve for x
    x = 51,077,864,748,576,912/219,110,646.40
  6. Step 6: Final answer
    x = 233,114,481.60

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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.