Home / 120,175,556.58-180,293,646.29-55,525,070.03

Finding the Fourth Proportional to 120,175,556.58, 180,293,646.29 and 55,525,070.03

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Solution

The fourth proportional to 120,175,556.58, 180,293,646.29 and 55,525,070.03 is: 83,301,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,175,556.58 : 180,293,646.29 = 55,525,070.03 : x
  2. Step 2: Convert to fraction form
    120,175,556.58/180,293,646.29 = 55,525,070.03/x
  3. Step 3: Cross multiply
    120,175,556.58x = 180,293,646.29 × 55,525,070.03
  4. Step 4: Simplify right side
    120,175,556.58x = 10,010,817,335,037,206
  5. Step 5: Solve for x
    x = 10,010,817,335,037,206/120,175,556.58
  6. Step 6: Final answer
    x = 83,301,609.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.