Home / 82,952,075.80-124,428,113.70-65,819,992.60

Finding the Fourth Proportional to 82,952,075.80, 124,428,113.70 and 65,819,992.60

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Solution

The fourth proportional to 82,952,075.80, 124,428,113.70 and 65,819,992.60 is: 98,729,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,952,075.80 : 124,428,113.70 = 65,819,992.60 : x
  2. Step 2: Convert to fraction form
    82,952,075.80/124,428,113.70 = 65,819,992.60/x
  3. Step 3: Cross multiply
    82,952,075.80x = 124,428,113.70 × 65,819,992.60
  4. Step 4: Simplify right side
    82,952,075.80x = 8,189,857,522,965,959
  5. Step 5: Solve for x
    x = 8,189,857,522,965,959/82,952,075.80
  6. Step 6: Final answer
    x = 98,729,988.90

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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.