Home / 190,026,146.80-285,039,220.20-117,006,153.40

Finding the Fourth Proportional to 190,026,146.80, 285,039,220.20 and 117,006,153.40

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Solution

The fourth proportional to 190,026,146.80, 285,039,220.20 and 117,006,153.40 is: 175,509,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,026,146.80 : 285,039,220.20 = 117,006,153.40 : x
  2. Step 2: Convert to fraction form
    190,026,146.80/285,039,220.20 = 117,006,153.40/x
  3. Step 3: Cross multiply
    190,026,146.80x = 285,039,220.20 × 117,006,153.40
  4. Step 4: Simplify right side
    190,026,146.80x = 33,351,342,723,737,580
  5. Step 5: Solve for x
    x = 33,351,342,723,737,580/190,026,146.80
  6. Step 6: Final answer
    x = 175,509,230.10

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1.5x scale

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.