Home / 123,922,892.80-185,884,339.20-111,593,461.60

Finding the Fourth Proportional to 123,922,892.80, 185,884,339.20 and 111,593,461.60

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Solution

The fourth proportional to 123,922,892.80, 185,884,339.20 and 111,593,461.60 is: 167,390,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,922,892.80 : 185,884,339.20 = 111,593,461.60 : x
  2. Step 2: Convert to fraction form
    123,922,892.80/185,884,339.20 = 111,593,461.60/x
  3. Step 3: Cross multiply
    123,922,892.80x = 185,884,339.20 × 111,593,461.60
  4. Step 4: Simplify right side
    123,922,892.80x = 20,743,476,868,556,572
  5. Step 5: Solve for x
    x = 20,743,476,868,556,572/123,922,892.80
  6. Step 6: Final answer
    x = 167,390,192.40

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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.