Home / 103,634,664.34-155,505,796.58-42,268,844.02

Finding the Fourth Proportional to 103,634,664.34, 155,505,796.58 and 42,268,844.02

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Solution

The fourth proportional to 103,634,664.34, 155,505,796.58 and 42,268,844.02 is: 63,425,209.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634,664.34 : 155,505,796.58 = 42,268,844.02 : x
  2. Step 2: Convert to fraction form
    103,634,664.34/155,505,796.58 = 42,268,844.02/x
  3. Step 3: Cross multiply
    103,634,664.34x = 155,505,796.58 × 42,268,844.02
  4. Step 4: Simplify right side
    103,634,664.34x = 6,573,050,259,845,871
  5. Step 5: Solve for x
    x = 6,573,050,259,845,871/103,634,664.34
  6. Step 6: Final answer
    x = 63,425,209.14

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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.