Home / 133,385,644.39-184,072,189.23-72,338,860.39

Finding the Fourth Proportional to 133,385,644.39, 184,072,189.23 and 72,338,860.39

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Solution

The fourth proportional to 133,385,644.39, 184,072,189.23 and 72,338,860.39 is: 99,827,627.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,385,644.39 : 184,072,189.23 = 72,338,860.39 : x
  2. Step 2: Convert to fraction form
    133,385,644.39/184,072,189.23 = 72,338,860.39/x
  3. Step 3: Cross multiply
    133,385,644.39x = 184,072,189.23 × 72,338,860.39
  4. Step 4: Simplify right side
    133,385,644.39x = 13,315,572,398,390,630
  5. Step 5: Solve for x
    x = 13,315,572,398,390,630/133,385,644.39
  6. Step 6: Final answer
    x = 99,827,627.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.