Home / 80,925,655.77-121,403,453.06-25,607,418.37

Finding the Fourth Proportional to 80,925,655.77, 121,403,453.06 and 25,607,418.37

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Solution

The fourth proportional to 80,925,655.77, 121,403,453.06 and 25,607,418.37 is: 38,415,864.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,925,655.77 : 121,403,453.06 = 25,607,418.37 : x
  2. Step 2: Convert to fraction form
    80,925,655.77/121,403,453.06 = 25,607,418.37/x
  3. Step 3: Cross multiply
    80,925,655.77x = 121,403,453.06 × 25,607,418.37
  4. Step 4: Simplify right side
    80,925,655.77x = 3,108,829,013,830,586.50
  5. Step 5: Solve for x
    x = 3,108,829,013,830,586.50/80,925,655.77
  6. Step 6: Final answer
    x = 38,415,864.34

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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.