Home / 252,655,323.12-379,019,133.36-77,793,150.06

Finding the Fourth Proportional to 252,655,323.12, 379,019,133.36 and 77,793,150.06

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Solution

The fourth proportional to 252,655,323.12, 379,019,133.36 and 77,793,150.06 is: 116,700,855.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,655,323.12 : 379,019,133.36 = 77,793,150.06 : x
  2. Step 2: Convert to fraction form
    252,655,323.12/379,019,133.36 = 77,793,150.06/x
  3. Step 3: Cross multiply
    252,655,323.12x = 379,019,133.36 × 77,793,150.06
  4. Step 4: Simplify right side
    252,655,323.12x = 29,485,092,317,085,636
  5. Step 5: Solve for x
    x = 29,485,092,317,085,636/252,655,323.12
  6. Step 6: Final answer
    x = 116,700,855.35

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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.