Home / 369,062,188.20-553,215,368.70-215,629,266.60

Finding the Fourth Proportional to 369,062,188.20, 553,215,368.70 and 215,629,266.60

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Solution

The fourth proportional to 369,062,188.20, 553,215,368.70 and 215,629,266.60 is: 323,223,099.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,062,188.20 : 553,215,368.70 = 215,629,266.60 : x
  2. Step 2: Convert to fraction form
    369,062,188.20/553,215,368.70 = 215,629,266.60/x
  3. Step 3: Cross multiply
    369,062,188.20x = 553,215,368.70 × 215,629,266.60
  4. Step 4: Simplify right side
    369,062,188.20x = 119,289,424,224,629,600
  5. Step 5: Solve for x
    x = 119,289,424,224,629,600/369,062,188.20
  6. Step 6: Final answer
    x = 323,223,099.08

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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.