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Finding the Fourth Proportional to 201,455,803.20, 301,735,807.20 and 155,869,780.80

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Solution

The fourth proportional to 201,455,803.20, 301,735,807.20 and 155,869,780.80 is: 233,458,125.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,455,803.20 : 301,735,807.20 = 155,869,780.80 : x
  2. Step 2: Convert to fraction form
    201,455,803.20/301,735,807.20 = 155,869,780.80/x
  3. Step 3: Cross multiply
    201,455,803.20x = 301,735,807.20 × 155,869,780.80
  4. Step 4: Simplify right side
    201,455,803.20x = 47,031,494,127,775,064
  5. Step 5: Solve for x
    x = 47,031,494,127,775,064/201,455,803.20
  6. Step 6: Final answer
    x = 233,458,125.21

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