Home / 146,914,015,280.40-220,371,022,920.60-72,529,281,392.40

Finding the Fourth Proportional to 146,914,015,280.40, 220,371,022,920.60 and 72,529,281,392.40

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Solution

The fourth proportional to 146,914,015,280.40, 220,371,022,920.60 and 72,529,281,392.40 is: 108,793,922,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,914,015,280.40 : 220,371,022,920.60 = 72,529,281,392.40 : x
  2. Step 2: Convert to fraction form
    146,914,015,280.40/220,371,022,920.60 = 72,529,281,392.40/x
  3. Step 3: Cross multiply
    146,914,015,280.40x = 220,371,022,920.60 × 72,529,281,392.40
  4. Step 4: Simplify right side
    146,914,015,280.40x = 15,983,351,932,139,226,529,792
  5. Step 5: Solve for x
    x = 15,983,351,932,139,226,529,792/146,914,015,280.40
  6. Step 6: Final answer
    x = 108,793,922,088.60

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1.5x scale

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.