Home / 76,388,033.95-105,418,033.13-42,903,413.84

Finding the Fourth Proportional to 76,388,033.95, 105,418,033.13 and 42,903,413.84

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Solution

The fourth proportional to 76,388,033.95, 105,418,033.13 and 42,903,413.84 is: 59,208,141.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,388,033.95 : 105,418,033.13 = 42,903,413.84 : x
  2. Step 2: Convert to fraction form
    76,388,033.95/105,418,033.13 = 42,903,413.84/x
  3. Step 3: Cross multiply
    76,388,033.95x = 105,418,033.13 × 42,903,413.84
  4. Step 4: Simplify right side
    76,388,033.95x = 4,522,793,501,946,024
  5. Step 5: Solve for x
    x = 4,522,793,501,946,024/76,388,033.95
  6. Step 6: Final answer
    x = 59,208,141.23

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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.