Home / 143,865,765.12-215,741,844-57,588,090.24

Finding the Fourth Proportional to 143,865,765.12, 215,741,844 and 57,588,090.24

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Solution

The fourth proportional to 143,865,765.12, 215,741,844 and 57,588,090.24 is: 86,359,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,865,765.12 : 215,741,844 = 57,588,090.24 : x
  2. Step 2: Convert to fraction form
    143,865,765.12/215,741,844 = 57,588,090.24/x
  3. Step 3: Cross multiply
    143,865,765.12x = 215,741,844 × 57,588,090.24
  4. Step 4: Simplify right side
    143,865,765.12x = 12,424,160,780,816,004
  5. Step 5: Solve for x
    x = 12,424,160,780,816,004/143,865,765.12
  6. Step 6: Final answer
    x = 86,359,397.39

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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.