Home / 102,743,868.16-141,792,908.16-56,958,780.16

Finding the Fourth Proportional to 102,743,868.16, 141,792,908.16 and 56,958,780.16

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Solution

The fourth proportional to 102,743,868.16, 141,792,908.16 and 56,958,780.16 is: 78,606,648.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,743,868.16 : 141,792,908.16 = 56,958,780.16 : x
  2. Step 2: Convert to fraction form
    102,743,868.16/141,792,908.16 = 56,958,780.16/x
  3. Step 3: Cross multiply
    102,743,868.16x = 141,792,908.16 × 56,958,780.16
  4. Step 4: Simplify right side
    102,743,868.16x = 8,076,351,084,132,509
  5. Step 5: Solve for x
    x = 8,076,351,084,132,509/102,743,868.16
  6. Step 6: Final answer
    x = 78,606,648.05

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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.