Home / 221,332,653.56-332,113,878.02-90,271,081.19

Finding the Fourth Proportional to 221,332,653.56, 332,113,878.02 and 90,271,081.19

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Solution

The fourth proportional to 221,332,653.56, 332,113,878.02 and 90,271,081.19 is: 135,453,483.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,332,653.56 : 332,113,878.02 = 90,271,081.19 : x
  2. Step 2: Convert to fraction form
    221,332,653.56/332,113,878.02 = 90,271,081.19/x
  3. Step 3: Cross multiply
    221,332,653.56x = 332,113,878.02 × 90,271,081.19
  4. Step 4: Simplify right side
    221,332,653.56x = 29,980,278,847,069,172
  5. Step 5: Solve for x
    x = 29,980,278,847,069,172/221,332,653.56
  6. Step 6: Final answer
    x = 135,453,483.09

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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.