Home / 100,848,367.56-139,167,073.01-56,192,032.34

Finding the Fourth Proportional to 100,848,367.56, 139,167,073.01 and 56,192,032.34

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Solution

The fourth proportional to 100,848,367.56, 139,167,073.01 and 56,192,032.34 is: 77,542,957.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,848,367.56 : 139,167,073.01 = 56,192,032.34 : x
  2. Step 2: Convert to fraction form
    100,848,367.56/139,167,073.01 = 56,192,032.34/x
  3. Step 3: Cross multiply
    100,848,367.56x = 139,167,073.01 × 56,192,032.34
  4. Step 4: Simplify right side
    100,848,367.56x = 7,820,080,666,264,265
  5. Step 5: Solve for x
    x = 7,820,080,666,264,265/100,848,367.56
  6. Step 6: Final answer
    x = 77,542,957.37

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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.