Home / 133,385,621.13-184,072,157.15-72,338,837.13

Finding the Fourth Proportional to 133,385,621.13, 184,072,157.15 and 72,338,837.13

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Solution

The fourth proportional to 133,385,621.13, 184,072,157.15 and 72,338,837.13 is: 99,827,595.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,385,621.13 : 184,072,157.15 = 72,338,837.13 : x
  2. Step 2: Convert to fraction form
    133,385,621.13/184,072,157.15 = 72,338,837.13/x
  3. Step 3: Cross multiply
    133,385,621.13x = 184,072,157.15 × 72,338,837.13
  4. Step 4: Simplify right side
    133,385,621.13x = 13,315,565,795,502,102
  5. Step 5: Solve for x
    x = 13,315,565,795,502,102/133,385,621.13
  6. Step 6: Final answer
    x = 99,827,595.23

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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.