Home / 78,325,413.80-108,091,988.12-46,968,567.98

Finding the Fourth Proportional to 78,325,413.80, 108,091,988.12 and 46,968,567.98

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Solution

The fourth proportional to 78,325,413.80, 108,091,988.12 and 46,968,567.98 is: 64,818,373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,325,413.80 : 108,091,988.12 = 46,968,567.98 : x
  2. Step 2: Convert to fraction form
    78,325,413.80/108,091,988.12 = 46,968,567.98/x
  3. Step 3: Cross multiply
    78,325,413.80x = 108,091,988.12 × 46,968,567.98
  4. Step 4: Simplify right side
    78,325,413.80x = 5,076,925,891,684,534
  5. Step 5: Solve for x
    x = 5,076,925,891,684,534/78,325,413.80
  6. Step 6: Final answer
    x = 64,818,373.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.