Home / 302,783,828.70-454,388,319.45-130,384,368.30

Finding the Fourth Proportional to 302,783,828.70, 454,388,319.45 and 130,384,368.30

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Solution

The fourth proportional to 302,783,828.70, 454,388,319.45 and 130,384,368.30 is: 195,668,091.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,783,828.70 : 454,388,319.45 = 130,384,368.30 : x
  2. Step 2: Convert to fraction form
    302,783,828.70/454,388,319.45 = 130,384,368.30/x
  3. Step 3: Cross multiply
    302,783,828.70x = 454,388,319.45 × 130,384,368.30
  4. Step 4: Simplify right side
    302,783,828.70x = 59,245,133,994,386,848
  5. Step 5: Solve for x
    x = 59,245,133,994,386,848/302,783,828.70
  6. Step 6: Final answer
    x = 195,668,091.82

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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.