Home / 357,465,981.60-536,198,972.40-221,417,085.60

Finding the Fourth Proportional to 357,465,981.60, 536,198,972.40 and 221,417,085.60

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Solution

The fourth proportional to 357,465,981.60, 536,198,972.40 and 221,417,085.60 is: 332,125,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,465,981.60 : 536,198,972.40 = 221,417,085.60 : x
  2. Step 2: Convert to fraction form
    357,465,981.60/536,198,972.40 = 221,417,085.60/x
  3. Step 3: Cross multiply
    357,465,981.60x = 536,198,972.40 × 221,417,085.60
  4. Step 4: Simplify right side
    357,465,981.60x = 118,723,613,770,522,832
  5. Step 5: Solve for x
    x = 118,723,613,770,522,832/357,465,981.60
  6. Step 6: Final answer
    x = 332,125,628.40

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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.