Home / 342,865,130.80-473,157,705-201,767,537.20

Finding the Fourth Proportional to 342,865,130.80, 473,157,705 and 201,767,537.20

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Solution

The fourth proportional to 342,865,130.80, 473,157,705 and 201,767,537.20 is: 278,441,451.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,865,130.80 : 473,157,705 = 201,767,537.20 : x
  2. Step 2: Convert to fraction form
    342,865,130.80/473,157,705 = 201,767,537.20/x
  3. Step 3: Cross multiply
    342,865,130.80x = 473,157,705 × 201,767,537.20
  4. Step 4: Simplify right side
    342,865,130.80x = 95,467,864,845,054,128
  5. Step 5: Solve for x
    x = 95,467,864,845,054,128/342,865,130.80
  6. Step 6: Final answer
    x = 278,441,451.96

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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.