Home / 194,146,009.80-291,219,014.70-139,939,027.80

Finding the Fourth Proportional to 194,146,009.80, 291,219,014.70 and 139,939,027.80

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Solution

The fourth proportional to 194,146,009.80, 291,219,014.70 and 139,939,027.80 is: 209,908,541.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,146,009.80 : 291,219,014.70 = 139,939,027.80 : x
  2. Step 2: Convert to fraction form
    194,146,009.80/291,219,014.70 = 139,939,027.80/x
  3. Step 3: Cross multiply
    194,146,009.80x = 291,219,014.70 × 139,939,027.80
  4. Step 4: Simplify right side
    194,146,009.80x = 40,752,905,793,991,912
  5. Step 5: Solve for x
    x = 40,752,905,793,991,912/194,146,009.80
  6. Step 6: Final answer
    x = 209,908,541.70

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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.