Home / 307,865,477.70-462,059,490.15-126,243,000.90

Finding the Fourth Proportional to 307,865,477.70, 462,059,490.15 and 126,243,000.90

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Solution

The fourth proportional to 307,865,477.70, 462,059,490.15 and 126,243,000.90 is: 189,471,638.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,865,477.70 : 462,059,490.15 = 126,243,000.90 : x
  2. Step 2: Convert to fraction form
    307,865,477.70/462,059,490.15 = 126,243,000.90/x
  3. Step 3: Cross multiply
    307,865,477.70x = 462,059,490.15 × 126,243,000.90
  4. Step 4: Simplify right side
    307,865,477.70x = 58,331,776,630,859,992
  5. Step 5: Solve for x
    x = 58,331,776,630,859,992/307,865,477.70
  6. Step 6: Final answer
    x = 189,471,638.93

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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.