Home / 280,683,433.64-387,462,404.74-174,889,118.86

Finding the Fourth Proportional to 280,683,433.64, 387,462,404.74 and 174,889,118.86

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Solution

The fourth proportional to 280,683,433.64, 387,462,404.74 and 174,889,118.86 is: 241,421,296.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,683,433.64 : 387,462,404.74 = 174,889,118.86 : x
  2. Step 2: Convert to fraction form
    280,683,433.64/387,462,404.74 = 174,889,118.86/x
  3. Step 3: Cross multiply
    280,683,433.64x = 387,462,404.74 × 174,889,118.86
  4. Step 4: Simplify right side
    280,683,433.64x = 67,762,958,556,355,296
  5. Step 5: Solve for x
    x = 67,762,958,556,355,296/280,683,433.64
  6. Step 6: Final answer
    x = 241,421,296.86

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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.