Home / 143,553,670.80-215,330,506.20-70,805,302.80

Finding the Fourth Proportional to 143,553,670.80, 215,330,506.20 and 70,805,302.80

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Solution

The fourth proportional to 143,553,670.80, 215,330,506.20 and 70,805,302.80 is: 106,207,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,553,670.80 : 215,330,506.20 = 70,805,302.80 : x
  2. Step 2: Convert to fraction form
    143,553,670.80/215,330,506.20 = 70,805,302.80/x
  3. Step 3: Cross multiply
    143,553,670.80x = 215,330,506.20 × 70,805,302.80
  4. Step 4: Simplify right side
    143,553,670.80x = 15,246,541,693,568,276
  5. Step 5: Solve for x
    x = 15,246,541,693,568,276/143,553,670.80
  6. Step 6: Final answer
    x = 106,207,954.20

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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.