Home / 153,916,413.84-230,895,878.40-51,709,680.72

Finding the Fourth Proportional to 153,916,413.84, 230,895,878.40 and 51,709,680.72

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Solution

The fourth proportional to 153,916,413.84, 230,895,878.40 and 51,709,680.72 is: 77,571,662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,916,413.84 : 230,895,878.40 = 51,709,680.72 : x
  2. Step 2: Convert to fraction form
    153,916,413.84/230,895,878.40 = 51,709,680.72/x
  3. Step 3: Cross multiply
    153,916,413.84x = 230,895,878.40 × 51,709,680.72
  4. Step 4: Simplify right side
    153,916,413.84x = 11,939,552,151,627,944
  5. Step 5: Solve for x
    x = 11,939,552,151,627,944/153,916,413.84
  6. Step 6: Final answer
    x = 77,571,662.79

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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.