Home / 153,382,593.86-211,673,202.87-90,712,413.94

Finding the Fourth Proportional to 153,382,593.86, 211,673,202.87 and 90,712,413.94

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Solution

The fourth proportional to 153,382,593.86, 211,673,202.87 and 90,712,413.94 is: 125,186,220.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,382,593.86 : 211,673,202.87 = 90,712,413.94 : x
  2. Step 2: Convert to fraction form
    153,382,593.86/211,673,202.87 = 90,712,413.94/x
  3. Step 3: Cross multiply
    153,382,593.86x = 211,673,202.87 × 90,712,413.94
  4. Step 4: Simplify right side
    153,382,593.86x = 19,201,387,198,059,604
  5. Step 5: Solve for x
    x = 19,201,387,198,059,604/153,382,593.86
  6. Step 6: Final answer
    x = 125,186,220.38

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1.5x scale

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.