Home / 133,385,621-184,072,156.98-72,338,837

Finding the Fourth Proportional to 133,385,621, 184,072,156.98 and 72,338,837

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Solution

The fourth proportional to 133,385,621, 184,072,156.98 and 72,338,837 is: 99,827,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,385,621 : 184,072,156.98 = 72,338,837 : x
  2. Step 2: Convert to fraction form
    133,385,621/184,072,156.98 = 72,338,837/x
  3. Step 3: Cross multiply
    133,385,621x = 184,072,156.98 × 72,338,837
  4. Step 4: Simplify right side
    133,385,621x = 13,315,565,760,014,632
  5. Step 5: Solve for x
    x = 13,315,565,760,014,632/133,385,621
  6. Step 6: Final answer
    x = 99,827,595.06

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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.