Home / 117,620,015.29-176,406,772.36-111,787,007.45

Finding the Fourth Proportional to 117,620,015.29, 176,406,772.36 and 111,787,007.45

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Solution

The fourth proportional to 117,620,015.29, 176,406,772.36 and 111,787,007.45 is: 167,658,413.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,620,015.29 : 176,406,772.36 = 111,787,007.45 : x
  2. Step 2: Convert to fraction form
    117,620,015.29/176,406,772.36 = 111,787,007.45/x
  3. Step 3: Cross multiply
    117,620,015.29x = 176,406,772.36 × 111,787,007.45
  4. Step 4: Simplify right side
    117,620,015.29x = 19,719,985,176,037,776
  5. Step 5: Solve for x
    x = 19,719,985,176,037,776/117,620,015.29
  6. Step 6: Final answer
    x = 167,658,413.64

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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.