Home / 123,386,346.56-183,976,413.04-119,996,417.18

Finding the Fourth Proportional to 123,386,346.56, 183,976,413.04 and 119,996,417.18

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Solution

The fourth proportional to 123,386,346.56, 183,976,413.04 and 119,996,417.18 is: 178,921,825.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,386,346.56 : 183,976,413.04 = 119,996,417.18 : x
  2. Step 2: Convert to fraction form
    123,386,346.56/183,976,413.04 = 119,996,417.18/x
  3. Step 3: Cross multiply
    123,386,346.56x = 183,976,413.04 × 119,996,417.18
  4. Step 4: Simplify right side
    123,386,346.56x = 22,076,510,410,427,832
  5. Step 5: Solve for x
    x = 22,076,510,410,427,832/123,386,346.56
  6. Step 6: Final answer
    x = 178,921,825.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.