Home / 142,976,761.20-214,497,225.09-45,937,996.56

Finding the Fourth Proportional to 142,976,761.20, 214,497,225.09 and 45,937,996.56

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Solution

The fourth proportional to 142,976,761.20, 214,497,225.09 and 45,937,996.56 is: 68,917,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,976,761.20 : 214,497,225.09 = 45,937,996.56 : x
  2. Step 2: Convert to fraction form
    142,976,761.20/214,497,225.09 = 45,937,996.56/x
  3. Step 3: Cross multiply
    142,976,761.20x = 214,497,225.09 × 45,937,996.56
  4. Step 4: Simplify right side
    142,976,761.20x = 9,853,572,788,313,966
  5. Step 5: Solve for x
    x = 9,853,572,788,313,966/142,976,761.20
  6. Step 6: Final answer
    x = 68,917,303.10

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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.