Home / 139,524,828.59-192,562,598.03-80,009,415.29

Finding the Fourth Proportional to 139,524,828.59, 192,562,598.03 and 80,009,415.29

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Solution

The fourth proportional to 139,524,828.59, 192,562,598.03 and 80,009,415.29 is: 110,423,506.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,524,828.59 : 192,562,598.03 = 80,009,415.29 : x
  2. Step 2: Convert to fraction form
    139,524,828.59/192,562,598.03 = 80,009,415.29/x
  3. Step 3: Cross multiply
    139,524,828.59x = 192,562,598.03 × 80,009,415.29
  4. Step 4: Simplify right side
    139,524,828.59x = 15,406,820,873,740,746
  5. Step 5: Solve for x
    x = 15,406,820,873,740,746/139,524,828.59
  6. Step 6: Final answer
    x = 110,423,506.91

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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.