Home / 143,553,670.30-215,330,505.45-70,805,302.30

Finding the Fourth Proportional to 143,553,670.30, 215,330,505.45 and 70,805,302.30

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Solution

The fourth proportional to 143,553,670.30, 215,330,505.45 and 70,805,302.30 is: 106,207,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,553,670.30 : 215,330,505.45 = 70,805,302.30 : x
  2. Step 2: Convert to fraction form
    143,553,670.30/215,330,505.45 = 70,805,302.30/x
  3. Step 3: Cross multiply
    143,553,670.30x = 215,330,505.45 × 70,805,302.30
  4. Step 4: Simplify right side
    143,553,670.30x = 15,246,541,532,799,046
  5. Step 5: Solve for x
    x = 15,246,541,532,799,046/143,553,670.30
  6. Step 6: Final answer
    x = 106,207,953.45

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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.