Home / 285,130,555.55-393,657,880.53-195,976,013.39

Finding the Fourth Proportional to 285,130,555.55, 393,657,880.53 and 195,976,013.39

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Solution

The fourth proportional to 285,130,555.55, 393,657,880.53 and 195,976,013.39 is: 270,569,044.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,130,555.55 : 393,657,880.53 = 195,976,013.39 : x
  2. Step 2: Convert to fraction form
    285,130,555.55/393,657,880.53 = 195,976,013.39/x
  3. Step 3: Cross multiply
    285,130,555.55x = 393,657,880.53 × 195,976,013.39
  4. Step 4: Simplify right side
    285,130,555.55x = 77,147,502,065,826,288
  5. Step 5: Solve for x
    x = 77,147,502,065,826,288/285,130,555.55
  6. Step 6: Final answer
    x = 270,569,044.83

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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.