Home / 226,720,128.40-340,080,192.60-73,381,685.20

Finding the Fourth Proportional to 226,720,128.40, 340,080,192.60 and 73,381,685.20

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Solution

The fourth proportional to 226,720,128.40, 340,080,192.60 and 73,381,685.20 is: 110,072,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,720,128.40 : 340,080,192.60 = 73,381,685.20 : x
  2. Step 2: Convert to fraction form
    226,720,128.40/340,080,192.60 = 73,381,685.20/x
  3. Step 3: Cross multiply
    226,720,128.40x = 340,080,192.60 × 73,381,685.20
  4. Step 4: Simplify right side
    226,720,128.40x = 24,955,657,636,128,572
  5. Step 5: Solve for x
    x = 24,955,657,636,128,572/226,720,128.40
  6. Step 6: Final answer
    x = 110,072,527.80

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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.