Home / 163,664,508.30-245,496,762.45-120,617,787.30

Finding the Fourth Proportional to 163,664,508.30, 245,496,762.45 and 120,617,787.30

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Solution

The fourth proportional to 163,664,508.30, 245,496,762.45 and 120,617,787.30 is: 180,926,680.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,664,508.30 : 245,496,762.45 = 120,617,787.30 : x
  2. Step 2: Convert to fraction form
    163,664,508.30/245,496,762.45 = 120,617,787.30/x
  3. Step 3: Cross multiply
    163,664,508.30x = 245,496,762.45 × 120,617,787.30
  4. Step 4: Simplify right side
    163,664,508.30x = 29,611,276,276,032,724
  5. Step 5: Solve for x
    x = 29,611,276,276,032,724/163,664,508.30
  6. Step 6: Final answer
    x = 180,926,680.95

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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.