Home / 48,269,233.60-72,403,850.40-42,978,443.20

Finding the Fourth Proportional to 48,269,233.60, 72,403,850.40 and 42,978,443.20

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Solution

The fourth proportional to 48,269,233.60, 72,403,850.40 and 42,978,443.20 is: 64,467,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,269,233.60 : 72,403,850.40 = 42,978,443.20 : x
  2. Step 2: Convert to fraction form
    48,269,233.60/72,403,850.40 = 42,978,443.20/x
  3. Step 3: Cross multiply
    48,269,233.60x = 72,403,850.40 × 42,978,443.20
  4. Step 4: Simplify right side
    48,269,233.60x = 3,111,804,771,877,698
  5. Step 5: Solve for x
    x = 3,111,804,771,877,698/48,269,233.60
  6. Step 6: Final answer
    x = 64,467,664.80

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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.