Home / 146,671,982.20-219,672,050.10-74,784,417.40

Finding the Fourth Proportional to 146,671,982.20, 219,672,050.10 and 74,784,417.40

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Solution

The fourth proportional to 146,671,982.20, 219,672,050.10 and 74,784,417.40 is: 112,005,347.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,671,982.20 : 219,672,050.10 = 74,784,417.40 : x
  2. Step 2: Convert to fraction form
    146,671,982.20/219,672,050.10 = 74,784,417.40/x
  3. Step 3: Cross multiply
    146,671,982.20x = 219,672,050.10 × 74,784,417.40
  4. Step 4: Simplify right side
    146,671,982.20x = 16,428,046,285,792,112
  5. Step 5: Solve for x
    x = 16,428,046,285,792,112/146,671,982.20
  6. Step 6: Final answer
    x = 112,005,347.17

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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.