Home / 144,880,661.40-217,331,489.70-87,248,837.40

Finding the Fourth Proportional to 144,880,661.40, 217,331,489.70 and 87,248,837.40

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Solution

The fourth proportional to 144,880,661.40, 217,331,489.70 and 87,248,837.40 is: 130,879,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,880,661.40 : 217,331,489.70 = 87,248,837.40 : x
  2. Step 2: Convert to fraction form
    144,880,661.40/217,331,489.70 = 87,248,837.40/x
  3. Step 3: Cross multiply
    144,880,661.40x = 217,331,489.70 × 87,248,837.40
  4. Step 4: Simplify right side
    144,880,661.40x = 18,961,919,806,735,076
  5. Step 5: Solve for x
    x = 18,961,919,806,735,076/144,880,661.40
  6. Step 6: Final answer
    x = 130,879,577.88

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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.