Home / 145,405,217.88-200,658,248.19-82,681,320.42

Finding the Fourth Proportional to 145,405,217.88, 200,658,248.19 and 82,681,320.42

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Solution

The fourth proportional to 145,405,217.88, 200,658,248.19 and 82,681,320.42 is: 114,099,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,405,217.88 : 200,658,248.19 = 82,681,320.42 : x
  2. Step 2: Convert to fraction form
    145,405,217.88/200,658,248.19 = 82,681,320.42/x
  3. Step 3: Cross multiply
    145,405,217.88x = 200,658,248.19 × 82,681,320.42
  4. Step 4: Simplify right side
    145,405,217.88x = 16,590,688,913,513,276
  5. Step 5: Solve for x
    x = 16,590,688,913,513,276/145,405,217.88
  6. Step 6: Final answer
    x = 114,099,680.57

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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.