Home / 72,070,136.39-99,456,257.79-39,029,619.03

Finding the Fourth Proportional to 72,070,136.39, 99,456,257.79 and 39,029,619.03

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Solution

The fourth proportional to 72,070,136.39, 99,456,257.79 and 39,029,619.03 is: 53,860,587.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,070,136.39 : 99,456,257.79 = 39,029,619.03 : x
  2. Step 2: Convert to fraction form
    72,070,136.39/99,456,257.79 = 39,029,619.03/x
  3. Step 3: Cross multiply
    72,070,136.39x = 99,456,257.79 × 39,029,619.03
  4. Step 4: Simplify right side
    72,070,136.39x = 3,881,739,851,693,170
  5. Step 5: Solve for x
    x = 3,881,739,851,693,170/72,070,136.39
  6. Step 6: Final answer
    x = 53,860,587.01

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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.