Home / 133,639,904.80-200,459,857.20-65,615,456.80

Finding the Fourth Proportional to 133,639,904.80, 200,459,857.20 and 65,615,456.80

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Solution

The fourth proportional to 133,639,904.80, 200,459,857.20 and 65,615,456.80 is: 98,423,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,639,904.80 : 200,459,857.20 = 65,615,456.80 : x
  2. Step 2: Convert to fraction form
    133,639,904.80/200,459,857.20 = 65,615,456.80/x
  3. Step 3: Cross multiply
    133,639,904.80x = 200,459,857.20 × 65,615,456.80
  4. Step 4: Simplify right side
    133,639,904.80x = 13,153,265,100,240,768
  5. Step 5: Solve for x
    x = 13,153,265,100,240,768/133,639,904.80
  6. Step 6: Final answer
    x = 98,423,185.20

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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.