Home / 131,323,390.11-181,223,117.28-71,782,014.39

Finding the Fourth Proportional to 131,323,390.11, 181,223,117.28 and 71,782,014.39

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Solution

The fourth proportional to 131,323,390.11, 181,223,117.28 and 71,782,014.39 is: 99,057,452.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,323,390.11 : 181,223,117.28 = 71,782,014.39 : x
  2. Step 2: Convert to fraction form
    131,323,390.11/181,223,117.28 = 71,782,014.39/x
  3. Step 3: Cross multiply
    131,323,390.11x = 181,223,117.28 × 71,782,014.39
  4. Step 4: Simplify right side
    131,323,390.11x = 13,008,560,412,393,618
  5. Step 5: Solve for x
    x = 13,008,560,412,393,618/131,323,390.11
  6. Step 6: Final answer
    x = 99,057,452.00

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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.