Home / 133,385,643.39-184,072,187.85-72,338,859.39

Finding the Fourth Proportional to 133,385,643.39, 184,072,187.85 and 72,338,859.39

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Solution

The fourth proportional to 133,385,643.39, 184,072,187.85 and 72,338,859.39 is: 99,827,625.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,385,643.39 : 184,072,187.85 = 72,338,859.39 : x
  2. Step 2: Convert to fraction form
    133,385,643.39/184,072,187.85 = 72,338,859.39/x
  3. Step 3: Cross multiply
    133,385,643.39x = 184,072,187.85 × 72,338,859.39
  4. Step 4: Simplify right side
    133,385,643.39x = 13,315,572,114,490,816
  5. Step 5: Solve for x
    x = 13,315,572,114,490,816/133,385,643.39
  6. Step 6: Final answer
    x = 99,827,625.94

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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.