Home / 131,472,005.80-197,208,008.70-122,905,964.20

Finding the Fourth Proportional to 131,472,005.80, 197,208,008.70 and 122,905,964.20

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Solution

The fourth proportional to 131,472,005.80, 197,208,008.70 and 122,905,964.20 is: 184,358,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,472,005.80 : 197,208,008.70 = 122,905,964.20 : x
  2. Step 2: Convert to fraction form
    131,472,005.80/197,208,008.70 = 122,905,964.20/x
  3. Step 3: Cross multiply
    131,472,005.80x = 197,208,008.70 × 122,905,964.20
  4. Step 4: Simplify right side
    131,472,005.80x = 24,238,040,457,235,488
  5. Step 5: Solve for x
    x = 24,238,040,457,235,488/131,472,005.80
  6. Step 6: Final answer
    x = 184,358,946.30

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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.