Home / 70,189,166.40-105,134,450.40-58,245,230.40

Finding the Fourth Proportional to 70,189,166.40, 105,134,450.40 and 58,245,230.40

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Solution

The fourth proportional to 70,189,166.40, 105,134,450.40 and 58,245,230.40 is: 87,243,952.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,189,166.40 : 105,134,450.40 = 58,245,230.40 : x
  2. Step 2: Convert to fraction form
    70,189,166.40/105,134,450.40 = 58,245,230.40/x
  3. Step 3: Cross multiply
    70,189,166.40x = 105,134,450.40 × 58,245,230.40
  4. Step 4: Simplify right side
    70,189,166.40x = 6,123,580,286,525,372
  5. Step 5: Solve for x
    x = 6,123,580,286,525,372/70,189,166.40
  6. Step 6: Final answer
    x = 87,243,952.32

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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.