Home / 143,266,031.24-197,705,231.88-79,685,941.64

Finding the Fourth Proportional to 143,266,031.24, 197,705,231.88 and 79,685,941.64

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Solution

The fourth proportional to 143,266,031.24, 197,705,231.88 and 79,685,941.64 is: 109,965,547.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,266,031.24 : 197,705,231.88 = 79,685,941.64 : x
  2. Step 2: Convert to fraction form
    143,266,031.24/197,705,231.88 = 79,685,941.64/x
  3. Step 3: Cross multiply
    143,266,031.24x = 197,705,231.88 × 79,685,941.64
  4. Step 4: Simplify right side
    143,266,031.24x = 15,754,327,569,512,348
  5. Step 5: Solve for x
    x = 15,754,327,569,512,348/143,266,031.24
  6. Step 6: Final answer
    x = 109,965,547.54

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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.