Home / 134,136,014.40-201,204,021.60-115,004,138.40

Finding the Fourth Proportional to 134,136,014.40, 201,204,021.60 and 115,004,138.40

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Solution

The fourth proportional to 134,136,014.40, 201,204,021.60 and 115,004,138.40 is: 172,506,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,136,014.40 : 201,204,021.60 = 115,004,138.40 : x
  2. Step 2: Convert to fraction form
    134,136,014.40/201,204,021.60 = 115,004,138.40/x
  3. Step 3: Cross multiply
    134,136,014.40x = 201,204,021.60 × 115,004,138.40
  4. Step 4: Simplify right side
    134,136,014.40x = 23,139,295,146,722,988
  5. Step 5: Solve for x
    x = 23,139,295,146,722,988/134,136,014.40
  6. Step 6: Final answer
    x = 172,506,207.60

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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.