Home / 214,585,579.04-321,926,362.28-78,270,962.52

Finding the Fourth Proportional to 214,585,579.04, 321,926,362.28 and 78,270,962.52

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Solution

The fourth proportional to 214,585,579.04, 321,926,362.28 and 78,270,962.52 is: 117,423,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,585,579.04 : 321,926,362.28 = 78,270,962.52 : x
  2. Step 2: Convert to fraction form
    214,585,579.04/321,926,362.28 = 78,270,962.52/x
  3. Step 3: Cross multiply
    214,585,579.04x = 321,926,362.28 × 78,270,962.52
  4. Step 4: Simplify right side
    214,585,579.04x = 25,197,486,236,217,820
  5. Step 5: Solve for x
    x = 25,197,486,236,217,820/214,585,579.04
  6. Step 6: Final answer
    x = 117,423,949.68

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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.