Home / 130,005,694.40-195,008,541.60-43,715,422.40

Finding the Fourth Proportional to 130,005,694.40, 195,008,541.60 and 43,715,422.40

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Solution

The fourth proportional to 130,005,694.40, 195,008,541.60 and 43,715,422.40 is: 65,573,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,005,694.40 : 195,008,541.60 = 43,715,422.40 : x
  2. Step 2: Convert to fraction form
    130,005,694.40/195,008,541.60 = 43,715,422.40/x
  3. Step 3: Cross multiply
    130,005,694.40x = 195,008,541.60 × 43,715,422.40
  4. Step 4: Simplify right side
    130,005,694.40x = 8,524,880,767,651,971
  5. Step 5: Solve for x
    x = 8,524,880,767,651,971/130,005,694.40
  6. Step 6: Final answer
    x = 65,573,133.60

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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.