Home / 127,905,608.80-191,858,413.20-119,339,567.20

Finding the Fourth Proportional to 127,905,608.80, 191,858,413.20 and 119,339,567.20

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Solution

The fourth proportional to 127,905,608.80, 191,858,413.20 and 119,339,567.20 is: 179,009,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,905,608.80 : 191,858,413.20 = 119,339,567.20 : x
  2. Step 2: Convert to fraction form
    127,905,608.80/191,858,413.20 = 119,339,567.20/x
  3. Step 3: Cross multiply
    127,905,608.80x = 191,858,413.20 × 119,339,567.20
  4. Step 4: Simplify right side
    127,905,608.80x = 22,896,299,994,966,768
  5. Step 5: Solve for x
    x = 22,896,299,994,966,768/127,905,608.80
  6. Step 6: Final answer
    x = 179,009,350.80

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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.