Home / 133,639,908.30-200,459,862.45-65,615,460.30

Finding the Fourth Proportional to 133,639,908.30, 200,459,862.45 and 65,615,460.30

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Solution

The fourth proportional to 133,639,908.30, 200,459,862.45 and 65,615,460.30 is: 98,423,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,639,908.30 : 200,459,862.45 = 65,615,460.30 : x
  2. Step 2: Convert to fraction form
    133,639,908.30/200,459,862.45 = 65,615,460.30/x
  3. Step 3: Cross multiply
    133,639,908.30x = 200,459,862.45 × 65,615,460.30
  4. Step 4: Simplify right side
    133,639,908.30x = 13,153,266,146,331,434
  5. Step 5: Solve for x
    x = 13,153,266,146,331,434/133,639,908.30
  6. Step 6: Final answer
    x = 98,423,190.45

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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.