Home / 120,629,069.40-180,943,604.10-88,506,413.40

Finding the Fourth Proportional to 120,629,069.40, 180,943,604.10 and 88,506,413.40

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Solution

The fourth proportional to 120,629,069.40, 180,943,604.10 and 88,506,413.40 is: 132,759,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,629,069.40 : 180,943,604.10 = 88,506,413.40 : x
  2. Step 2: Convert to fraction form
    120,629,069.40/180,943,604.10 = 88,506,413.40/x
  3. Step 3: Cross multiply
    120,629,069.40x = 180,943,604.10 × 88,506,413.40
  4. Step 4: Simplify right side
    120,629,069.40x = 16,014,669,426,560,536
  5. Step 5: Solve for x
    x = 16,014,669,426,560,536/120,629,069.40
  6. Step 6: Final answer
    x = 132,759,620.10

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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.