Home / 123,760,316.14-170,779,239.22-71,552,716.88

Finding the Fourth Proportional to 123,760,316.14, 170,779,239.22 and 71,552,716.88

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Solution

The fourth proportional to 123,760,316.14, 170,779,239.22 and 71,552,716.88 is: 98,736,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,760,316.14 : 170,779,239.22 = 71,552,716.88 : x
  2. Step 2: Convert to fraction form
    123,760,316.14/170,779,239.22 = 71,552,716.88/x
  3. Step 3: Cross multiply
    123,760,316.14x = 170,779,239.22 × 71,552,716.88
  4. Step 4: Simplify right side
    123,760,316.14x = 12,219,718,551,991,478
  5. Step 5: Solve for x
    x = 12,219,718,551,991,478/123,760,316.14
  6. Step 6: Final answer
    x = 98,736,969.44

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1.5x scale

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.