Home / 320,930,386.96-481,464,641.04-99,597,355.60

Finding the Fourth Proportional to 320,930,386.96, 481,464,641.04 and 99,597,355.60

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Solution

The fourth proportional to 320,930,386.96, 481,464,641.04 and 99,597,355.60 is: 149,417,465.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,930,386.96 : 481,464,641.04 = 99,597,355.60 : x
  2. Step 2: Convert to fraction form
    320,930,386.96/481,464,641.04 = 99,597,355.60/x
  3. Step 3: Cross multiply
    320,930,386.96x = 481,464,641.04 × 99,597,355.60
  4. Step 4: Simplify right side
    320,930,386.96x = 47,952,605,062,487,232
  5. Step 5: Solve for x
    x = 47,952,605,062,487,232/320,930,386.96
  6. Step 6: Final answer
    x = 149,417,465.63

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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.