Home / 146,737,947.20-220,106,920.80-144,470,465.60

Finding the Fourth Proportional to 146,737,947.20, 220,106,920.80 and 144,470,465.60

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Solution

The fourth proportional to 146,737,947.20, 220,106,920.80 and 144,470,465.60 is: 216,705,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,737,947.20 : 220,106,920.80 = 144,470,465.60 : x
  2. Step 2: Convert to fraction form
    146,737,947.20/220,106,920.80 = 144,470,465.60/x
  3. Step 3: Cross multiply
    146,737,947.20x = 220,106,920.80 × 144,470,465.60
  4. Step 4: Simplify right side
    146,737,947.20x = 31,798,949,329,758,324
  5. Step 5: Solve for x
    x = 31,798,949,329,758,324/146,737,947.20
  6. Step 6: Final answer
    x = 216,705,698.40

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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.