Home / 213,241,916.52-319,862,878.41-51,683,852.52

Finding the Fourth Proportional to 213,241,916.52, 319,862,878.41 and 51,683,852.52

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Solution

The fourth proportional to 213,241,916.52, 319,862,878.41 and 51,683,852.52 is: 77,525,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,241,916.52 : 319,862,878.41 = 51,683,852.52 : x
  2. Step 2: Convert to fraction form
    213,241,916.52/319,862,878.41 = 51,683,852.52/x
  3. Step 3: Cross multiply
    213,241,916.52x = 319,862,878.41 × 51,683,852.52
  4. Step 4: Simplify right side
    213,241,916.52x = 16,531,745,834,365,134
  5. Step 5: Solve for x
    x = 16,531,745,834,365,134/213,241,916.52
  6. Step 6: Final answer
    x = 77,525,779.66

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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.