Home / 123,325,021.76-170,146,632.32-70,363,682.52

Finding the Fourth Proportional to 123,325,021.76, 170,146,632.32 and 70,363,682.52

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Solution

The fourth proportional to 123,325,021.76, 170,146,632.32 and 70,363,682.52 is: 97,077,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,325,021.76 : 170,146,632.32 = 70,363,682.52 : x
  2. Step 2: Convert to fraction form
    123,325,021.76/170,146,632.32 = 70,363,682.52/x
  3. Step 3: Cross multiply
    123,325,021.76x = 170,146,632.32 × 70,363,682.52
  4. Step 4: Simplify right side
    123,325,021.76x = 11,972,143,618,411,650
  5. Step 5: Solve for x
    x = 11,972,143,618,411,650/123,325,021.76
  6. Step 6: Final answer
    x = 97,077,976.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.