Home / 172,386,118.49-237,890,883.79-94,071,004.43

Finding the Fourth Proportional to 172,386,118.49, 237,890,883.79 and 94,071,004.43

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Solution

The fourth proportional to 172,386,118.49, 237,890,883.79 and 94,071,004.43 is: 129,816,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,386,118.49 : 237,890,883.79 = 94,071,004.43 : x
  2. Step 2: Convert to fraction form
    172,386,118.49/237,890,883.79 = 94,071,004.43/x
  3. Step 3: Cross multiply
    172,386,118.49x = 237,890,883.79 × 94,071,004.43
  4. Step 4: Simplify right side
    172,386,118.49x = 22,378,634,381,793,836
  5. Step 5: Solve for x
    x = 22,378,634,381,793,836/172,386,118.49
  6. Step 6: Final answer
    x = 129,816,916.69

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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.