Home / 221,153,448.80-331,730,173.20-98,331,528.80

Finding the Fourth Proportional to 221,153,448.80, 331,730,173.20 and 98,331,528.80

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Solution

The fourth proportional to 221,153,448.80, 331,730,173.20 and 98,331,528.80 is: 147,497,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,153,448.80 : 331,730,173.20 = 98,331,528.80 : x
  2. Step 2: Convert to fraction form
    221,153,448.80/331,730,173.20 = 98,331,528.80/x
  3. Step 3: Cross multiply
    221,153,448.80x = 331,730,173.20 × 98,331,528.80
  4. Step 4: Simplify right side
    221,153,448.80x = 32,619,535,079,844,784
  5. Step 5: Solve for x
    x = 32,619,535,079,844,784/221,153,448.80
  6. Step 6: Final answer
    x = 147,497,293.20

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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.