Home / 214,627,547.10-321,983,311.05-91,805,627.10

Finding the Fourth Proportional to 214,627,547.10, 321,983,311.05 and 91,805,627.10

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Solution

The fourth proportional to 214,627,547.10, 321,983,311.05 and 91,805,627.10 is: 137,726,401.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,627,547.10 : 321,983,311.05 = 91,805,627.10 : x
  2. Step 2: Convert to fraction form
    214,627,547.10/321,983,311.05 = 91,805,627.10/x
  3. Step 3: Cross multiply
    214,627,547.10x = 321,983,311.05 × 91,805,627.10
  4. Step 4: Simplify right side
    214,627,547.10x = 29,559,879,786,679,608
  5. Step 5: Solve for x
    x = 29,559,879,786,679,608/214,627,547.10
  6. Step 6: Final answer
    x = 137,726,401.79

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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.