Home / 143,134,413.60-214,701,620.40-120,963,482.40

Finding the Fourth Proportional to 143,134,413.60, 214,701,620.40 and 120,963,482.40

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Solution

The fourth proportional to 143,134,413.60, 214,701,620.40 and 120,963,482.40 is: 181,445,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,134,413.60 : 214,701,620.40 = 120,963,482.40 : x
  2. Step 2: Convert to fraction form
    143,134,413.60/214,701,620.40 = 120,963,482.40/x
  3. Step 3: Cross multiply
    143,134,413.60x = 214,701,620.40 × 120,963,482.40
  4. Step 4: Simplify right side
    143,134,413.60x = 25,971,055,680,506,884
  5. Step 5: Solve for x
    x = 25,971,055,680,506,884/143,134,413.60
  6. Step 6: Final answer
    x = 181,445,223.60

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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.