Home / 147,541,533.40-221,454,017.70-74,840,404.60

Finding the Fourth Proportional to 147,541,533.40, 221,454,017.70 and 74,840,404.60

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Solution

The fourth proportional to 147,541,533.40, 221,454,017.70 and 74,840,404.60 is: 112,332,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,541,533.40 : 221,454,017.70 = 74,840,404.60 : x
  2. Step 2: Convert to fraction form
    147,541,533.40/221,454,017.70 = 74,840,404.60/x
  3. Step 3: Cross multiply
    147,541,533.40x = 221,454,017.70 × 74,840,404.60
  4. Step 4: Simplify right side
    147,541,533.40x = 16,573,708,284,963,560
  5. Step 5: Solve for x
    x = 16,573,708,284,963,560/147,541,533.40
  6. Step 6: Final answer
    x = 112,332,493.12

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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.