Home / 178,658,999.40-268,019,991.90-63,710,279.40

Finding the Fourth Proportional to 178,658,999.40, 268,019,991.90 and 63,710,279.40

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Solution

The fourth proportional to 178,658,999.40, 268,019,991.90 and 63,710,279.40 is: 95,576,649.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,658,999.40 : 268,019,991.90 = 63,710,279.40 : x
  2. Step 2: Convert to fraction form
    178,658,999.40/268,019,991.90 = 63,710,279.40/x
  3. Step 3: Cross multiply
    178,658,999.40x = 268,019,991.90 × 63,710,279.40
  4. Step 4: Simplify right side
    178,658,999.40x = 17,075,628,568,734,736
  5. Step 5: Solve for x
    x = 17,075,628,568,734,736/178,658,999.40
  6. Step 6: Final answer
    x = 95,576,649.52

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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.