Home / 194,133,055.40-291,199,583.10-172,969,893.80

Finding the Fourth Proportional to 194,133,055.40, 291,199,583.10 and 172,969,893.80

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Solution

The fourth proportional to 194,133,055.40, 291,199,583.10 and 172,969,893.80 is: 259,454,840.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,133,055.40 : 291,199,583.10 = 172,969,893.80 : x
  2. Step 2: Convert to fraction form
    194,133,055.40/291,199,583.10 = 172,969,893.80/x
  3. Step 3: Cross multiply
    194,133,055.40x = 291,199,583.10 × 172,969,893.80
  4. Step 4: Simplify right side
    194,133,055.40x = 50,368,760,963,411,280
  5. Step 5: Solve for x
    x = 50,368,760,963,411,280/194,133,055.40
  6. Step 6: Final answer
    x = 259,454,840.70

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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.