Home / 168,071,123.70-252,106,685.55-103,164,462.90

Finding the Fourth Proportional to 168,071,123.70, 252,106,685.55 and 103,164,462.90

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Solution

The fourth proportional to 168,071,123.70, 252,106,685.55 and 103,164,462.90 is: 154,746,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,071,123.70 : 252,106,685.55 = 103,164,462.90 : x
  2. Step 2: Convert to fraction form
    168,071,123.70/252,106,685.55 = 103,164,462.90/x
  3. Step 3: Cross multiply
    168,071,123.70x = 252,106,685.55 × 103,164,462.90
  4. Step 4: Simplify right side
    168,071,123.70x = 26,008,450,808,264,944
  5. Step 5: Solve for x
    x = 26,008,450,808,264,944/168,071,123.70
  6. Step 6: Final answer
    x = 154,746,694.35

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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.