Home / 122,492,275.45-183,738,413.18-54,334,967.20

Finding the Fourth Proportional to 122,492,275.45, 183,738,413.18 and 54,334,967.20

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Solution

The fourth proportional to 122,492,275.45, 183,738,413.18 and 54,334,967.20 is: 81,502,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,492,275.45 : 183,738,413.18 = 54,334,967.20 : x
  2. Step 2: Convert to fraction form
    122,492,275.45/183,738,413.18 = 54,334,967.20/x
  3. Step 3: Cross multiply
    122,492,275.45x = 183,738,413.18 × 54,334,967.20
  4. Step 4: Simplify right side
    122,492,275.45x = 9,983,420,653,515,348
  5. Step 5: Solve for x
    x = 9,983,420,653,515,348/122,492,275.45
  6. Step 6: Final answer
    x = 81,502,450.80

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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.