Home / 137,608,689.58-189,900,022.61-75,729,028.14

Finding the Fourth Proportional to 137,608,689.58, 189,900,022.61 and 75,729,028.14

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Solution

The fourth proportional to 137,608,689.58, 189,900,022.61 and 75,729,028.14 is: 104,506,075.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,608,689.58 : 189,900,022.61 = 75,729,028.14 : x
  2. Step 2: Convert to fraction form
    137,608,689.58/189,900,022.61 = 75,729,028.14/x
  3. Step 3: Cross multiply
    137,608,689.58x = 189,900,022.61 × 75,729,028.14
  4. Step 4: Simplify right side
    137,608,689.58x = 14,380,944,156,208,650
  5. Step 5: Solve for x
    x = 14,380,944,156,208,650/137,608,689.58
  6. Step 6: Final answer
    x = 104,506,075.89

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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.