Home / 42,170,413.16-63,265,364.04-17,910,133.94

Finding the Fourth Proportional to 42,170,413.16, 63,265,364.04 and 17,910,133.94

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Solution

The fourth proportional to 42,170,413.16, 63,265,364.04 and 17,910,133.94 is: 26,869,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,170,413.16 : 63,265,364.04 = 17,910,133.94 : x
  2. Step 2: Convert to fraction form
    42,170,413.16/63,265,364.04 = 17,910,133.94/x
  3. Step 3: Cross multiply
    42,170,413.16x = 63,265,364.04 × 17,910,133.94
  4. Step 4: Simplify right side
    42,170,413.16x = 1,133,091,143,719,259.50
  5. Step 5: Solve for x
    x = 1,133,091,143,719,259.50/42,170,413.16
  6. Step 6: Final answer
    x = 26,869,339.40

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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.