Home / 315,435,090.11-435,299,347.52-174,302,379.36

Finding the Fourth Proportional to 315,435,090.11, 435,299,347.52 and 174,302,379.36

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Solution

The fourth proportional to 315,435,090.11, 435,299,347.52 and 174,302,379.36 is: 240,536,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,435,090.11 : 435,299,347.52 = 174,302,379.36 : x
  2. Step 2: Convert to fraction form
    315,435,090.11/435,299,347.52 = 174,302,379.36/x
  3. Step 3: Cross multiply
    315,435,090.11x = 435,299,347.52 × 174,302,379.36
  4. Step 4: Simplify right side
    315,435,090.11x = 75,873,712,006,373,648
  5. Step 5: Solve for x
    x = 75,873,712,006,373,648/315,435,090.11
  6. Step 6: Final answer
    x = 240,536,688.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.