Home / 145,248,010.40-217,872,015.60-134,162,544.80

Finding the Fourth Proportional to 145,248,010.40, 217,872,015.60 and 134,162,544.80

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Solution

The fourth proportional to 145,248,010.40, 217,872,015.60 and 134,162,544.80 is: 201,243,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,248,010.40 : 217,872,015.60 = 134,162,544.80 : x
  2. Step 2: Convert to fraction form
    145,248,010.40/217,872,015.60 = 134,162,544.80/x
  3. Step 3: Cross multiply
    145,248,010.40x = 217,872,015.60 × 134,162,544.80
  4. Step 4: Simplify right side
    145,248,010.40x = 29,230,264,053,601,296
  5. Step 5: Solve for x
    x = 29,230,264,053,601,296/145,248,010.40
  6. Step 6: Final answer
    x = 201,243,817.20

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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.