Home / 119,798,622.95-179,225,123.95-90,736,181.37

Finding the Fourth Proportional to 119,798,622.95, 179,225,123.95 and 90,736,181.37

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Solution

The fourth proportional to 119,798,622.95, 179,225,123.95 and 90,736,181.37 is: 135,746,162.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,798,622.95 : 179,225,123.95 = 90,736,181.37 : x
  2. Step 2: Convert to fraction form
    119,798,622.95/179,225,123.95 = 90,736,181.37/x
  3. Step 3: Cross multiply
    119,798,622.95x = 179,225,123.95 × 90,736,181.37
  4. Step 4: Simplify right side
    119,798,622.95x = 16,262,203,352,901,350
  5. Step 5: Solve for x
    x = 16,262,203,352,901,350/119,798,622.95
  6. Step 6: Final answer
    x = 135,746,162.63

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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.