Home / 221,332,653.55-332,113,878.02-90,271,081.20

Finding the Fourth Proportional to 221,332,653.55, 332,113,878.02 and 90,271,081.20

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Solution

The fourth proportional to 221,332,653.55, 332,113,878.02 and 90,271,081.20 is: 135,453,483.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,332,653.55 : 332,113,878.02 = 90,271,081.20 : x
  2. Step 2: Convert to fraction form
    221,332,653.55/332,113,878.02 = 90,271,081.20/x
  3. Step 3: Cross multiply
    221,332,653.55x = 332,113,878.02 × 90,271,081.20
  4. Step 4: Simplify right side
    221,332,653.55x = 29,980,278,850,390,316
  5. Step 5: Solve for x
    x = 29,980,278,850,390,316/221,332,653.55
  6. Step 6: Final answer
    x = 135,453,483.11

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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.