Home / 322,673,126.40-484,009,689.60-80,336,030.40

Finding the Fourth Proportional to 322,673,126.40, 484,009,689.60 and 80,336,030.40

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Solution

The fourth proportional to 322,673,126.40, 484,009,689.60 and 80,336,030.40 is: 120,504,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,673,126.40 : 484,009,689.60 = 80,336,030.40 : x
  2. Step 2: Convert to fraction form
    322,673,126.40/484,009,689.60 = 80,336,030.40/x
  3. Step 3: Cross multiply
    322,673,126.40x = 484,009,689.60 × 80,336,030.40
  4. Step 4: Simplify right side
    322,673,126.40x = 38,883,417,137,600,168
  5. Step 5: Solve for x
    x = 38,883,417,137,600,168/322,673,126.40
  6. Step 6: Final answer
    x = 120,504,045.60

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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.