Home / 108,905,041.80-163,357,562.70-51,509,413.80

Finding the Fourth Proportional to 108,905,041.80, 163,357,562.70 and 51,509,413.80

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Solution

The fourth proportional to 108,905,041.80, 163,357,562.70 and 51,509,413.80 is: 77,264,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,905,041.80 : 163,357,562.70 = 51,509,413.80 : x
  2. Step 2: Convert to fraction form
    108,905,041.80/163,357,562.70 = 51,509,413.80/x
  3. Step 3: Cross multiply
    108,905,041.80x = 163,357,562.70 × 51,509,413.80
  4. Step 4: Simplify right side
    108,905,041.80x = 8,414,452,294,473,744
  5. Step 5: Solve for x
    x = 8,414,452,294,473,744/108,905,041.80
  6. Step 6: Final answer
    x = 77,264,120.70

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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.