Home / 153,959,140.70-230,973,178.21-51,720,389.90

Finding the Fourth Proportional to 153,959,140.70, 230,973,178.21 and 51,720,389.90

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Solution

The fourth proportional to 153,959,140.70, 230,973,178.21 and 51,720,389.90 is: 77,592,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,959,140.70 : 230,973,178.21 = 51,720,389.90 : x
  2. Step 2: Convert to fraction form
    153,959,140.70/230,973,178.21 = 51,720,389.90/x
  3. Step 3: Cross multiply
    153,959,140.70x = 230,973,178.21 × 51,720,389.90
  4. Step 4: Simplify right side
    153,959,140.70x = 11,946,022,833,463,384
  5. Step 5: Solve for x
    x = 11,946,022,833,463,384/153,959,140.70
  6. Step 6: Final answer
    x = 77,592,163.60

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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.