Home / 260,412,811.72-359,667,939-171,502,206.64

Finding the Fourth Proportional to 260,412,811.72, 359,667,939 and 171,502,206.64

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Solution

The fourth proportional to 260,412,811.72, 359,667,939 and 171,502,206.64 is: 236,869,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,412,811.72 : 359,667,939 = 171,502,206.64 : x
  2. Step 2: Convert to fraction form
    260,412,811.72/359,667,939 = 171,502,206.64/x
  3. Step 3: Cross multiply
    260,412,811.72x = 359,667,939 × 171,502,206.64
  4. Step 4: Simplify right side
    260,412,811.72x = 61,683,845,196,160,912
  5. Step 5: Solve for x
    x = 61,683,845,196,160,912/260,412,811.72
  6. Step 6: Final answer
    x = 236,869,471.93

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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.