Home / 213,241,801.60-319,862,705.76-51,683,737.60

Finding the Fourth Proportional to 213,241,801.60, 319,862,705.76 and 51,683,737.60

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Solution

The fourth proportional to 213,241,801.60, 319,862,705.76 and 51,683,737.60 is: 77,525,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,241,801.60 : 319,862,705.76 = 51,683,737.60 : x
  2. Step 2: Convert to fraction form
    213,241,801.60/319,862,705.76 = 51,683,737.60/x
  3. Step 3: Cross multiply
    213,241,801.60x = 319,862,705.76 × 51,683,737.60
  4. Step 4: Simplify right side
    213,241,801.60x = 16,531,700,152,525,848
  5. Step 5: Solve for x
    x = 16,531,700,152,525,848/213,241,801.60
  6. Step 6: Final answer
    x = 77,525,607.21

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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.