Home / 210,325,838.80-315,488,758.20-97,079,630.80

Finding the Fourth Proportional to 210,325,838.80, 315,488,758.20 and 97,079,630.80

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Solution

The fourth proportional to 210,325,838.80, 315,488,758.20 and 97,079,630.80 is: 145,619,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,325,838.80 : 315,488,758.20 = 97,079,630.80 : x
  2. Step 2: Convert to fraction form
    210,325,838.80/315,488,758.20 = 97,079,630.80/x
  3. Step 3: Cross multiply
    210,325,838.80x = 315,488,758.20 × 97,079,630.80
  4. Step 4: Simplify right side
    210,325,838.80x = 30,627,532,167,606,472
  5. Step 5: Solve for x
    x = 30,627,532,167,606,472/210,325,838.80
  6. Step 6: Final answer
    x = 145,619,446.20

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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.