Home / 290,963,119.29-401,523,413.05-158,805,063.15

Finding the Fourth Proportional to 290,963,119.29, 401,523,413.05 and 158,805,063.15

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Solution

The fourth proportional to 290,963,119.29, 401,523,413.05 and 158,805,063.15 is: 219,147,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,963,119.29 : 401,523,413.05 = 158,805,063.15 : x
  2. Step 2: Convert to fraction form
    290,963,119.29/401,523,413.05 = 158,805,063.15/x
  3. Step 3: Cross multiply
    290,963,119.29x = 401,523,413.05 × 158,805,063.15
  4. Step 4: Simplify right side
    290,963,119.29x = 63,763,950,964,301,576
  5. Step 5: Solve for x
    x = 63,763,950,964,301,576/290,963,119.29
  6. Step 6: Final answer
    x = 219,147,880.74

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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.