Home / 133,639,880.80-200,459,821.20-65,615,432.80

Finding the Fourth Proportional to 133,639,880.80, 200,459,821.20 and 65,615,432.80

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Solution

The fourth proportional to 133,639,880.80, 200,459,821.20 and 65,615,432.80 is: 98,423,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,639,880.80 : 200,459,821.20 = 65,615,432.80 : x
  2. Step 2: Convert to fraction form
    133,639,880.80/200,459,821.20 = 65,615,432.80/x
  3. Step 3: Cross multiply
    133,639,880.80x = 200,459,821.20 × 65,615,432.80
  4. Step 4: Simplify right side
    133,639,880.80x = 13,153,257,927,048,614
  5. Step 5: Solve for x
    x = 13,153,257,927,048,614/133,639,880.80
  6. Step 6: Final answer
    x = 98,423,149.20

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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.