Home / 101,431,881.38-152,220,465.66-43,180,400.06

Finding the Fourth Proportional to 101,431,881.38, 152,220,465.66 and 43,180,400.06

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Solution

The fourth proportional to 101,431,881.38, 152,220,465.66 and 43,180,400.06 is: 64,801,525.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,431,881.38 : 152,220,465.66 = 43,180,400.06 : x
  2. Step 2: Convert to fraction form
    101,431,881.38/152,220,465.66 = 43,180,400.06/x
  3. Step 3: Cross multiply
    101,431,881.38x = 152,220,465.66 × 43,180,400.06
  4. Step 4: Simplify right side
    101,431,881.38x = 6,572,940,604,518,292
  5. Step 5: Solve for x
    x = 6,572,940,604,518,292/101,431,881.38
  6. Step 6: Final answer
    x = 64,801,525.07

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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.