Home / 146,383,341.19-202,007,815.20-79,402,131.64

Finding the Fourth Proportional to 146,383,341.19, 202,007,815.20 and 79,402,131.64

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Solution

The fourth proportional to 146,383,341.19, 202,007,815.20 and 79,402,131.64 is: 109,574,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,383,341.19 : 202,007,815.20 = 79,402,131.64 : x
  2. Step 2: Convert to fraction form
    146,383,341.19/202,007,815.20 = 79,402,131.64/x
  3. Step 3: Cross multiply
    146,383,341.19x = 202,007,815.20 × 79,402,131.64
  4. Step 4: Simplify right side
    146,383,341.19x = 16,039,851,134,819,192
  5. Step 5: Solve for x
    x = 16,039,851,134,819,192/146,383,341.19
  6. Step 6: Final answer
    x = 109,574,293.12

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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.