Home / 210,331,578.15-315,496,943.18-197,532,266.34

Finding the Fourth Proportional to 210,331,578.15, 315,496,943.18 and 197,532,266.34

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Solution

The fourth proportional to 210,331,578.15, 315,496,943.18 and 197,532,266.34 is: 296,298,001.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,331,578.15 : 315,496,943.18 = 197,532,266.34 : x
  2. Step 2: Convert to fraction form
    210,331,578.15/315,496,943.18 = 197,532,266.34/x
  3. Step 3: Cross multiply
    210,331,578.15x = 315,496,943.18 × 197,532,266.34
  4. Step 4: Simplify right side
    210,331,578.15x = 62,320,826,208,699,952
  5. Step 5: Solve for x
    x = 62,320,826,208,699,952/210,331,578.15
  6. Step 6: Final answer
    x = 296,298,001.26

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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.