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Finding the Fourth Proportional to 213,314,502.51, 319,971,753.84 and 59,960,558.94

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Solution

The fourth proportional to 213,314,502.51, 319,971,753.84 and 59,960,558.94 is: 89,940,838.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,314,502.51 : 319,971,753.84 = 59,960,558.94 : x
  2. Step 2: Convert to fraction form
    213,314,502.51/319,971,753.84 = 59,960,558.94/x
  3. Step 3: Cross multiply
    213,314,502.51x = 319,971,753.84 × 59,960,558.94
  4. Step 4: Simplify right side
    213,314,502.51x = 19,185,685,205,258,488
  5. Step 5: Solve for x
    x = 19,185,685,205,258,488/213,314,502.51
  6. Step 6: Final answer
    x = 89,940,838.43

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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.