Home / 68,166,413.20-102,249,619.80-52,937,894.80

Finding the Fourth Proportional to 68,166,413.20, 102,249,619.80 and 52,937,894.80

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Solution

The fourth proportional to 68,166,413.20, 102,249,619.80 and 52,937,894.80 is: 79,406,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,166,413.20 : 102,249,619.80 = 52,937,894.80 : x
  2. Step 2: Convert to fraction form
    68,166,413.20/102,249,619.80 = 52,937,894.80/x
  3. Step 3: Cross multiply
    68,166,413.20x = 102,249,619.80 × 52,937,894.80
  4. Step 4: Simplify right side
    68,166,413.20x = 5,412,879,616,312,397
  5. Step 5: Solve for x
    x = 5,412,879,616,312,397/68,166,413.20
  6. Step 6: Final answer
    x = 79,406,842.20

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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.