Home / 153,959,106.69-230,973,127.20-51,720,355.89

Finding the Fourth Proportional to 153,959,106.69, 230,973,127.20 and 51,720,355.89

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Solution

The fourth proportional to 153,959,106.69, 230,973,127.20 and 51,720,355.89 is: 77,592,112.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,959,106.69 : 230,973,127.20 = 51,720,355.89 : x
  2. Step 2: Convert to fraction form
    153,959,106.69/230,973,127.20 = 51,720,355.89/x
  3. Step 3: Cross multiply
    153,959,106.69x = 230,973,127.20 × 51,720,355.89
  4. Step 4: Simplify right side
    153,959,106.69x = 11,946,012,339,810,238
  5. Step 5: Solve for x
    x = 11,946,012,339,810,238/153,959,106.69
  6. Step 6: Final answer
    x = 77,592,112.59

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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.