Home / 213,241,909.02-319,862,867.16-51,683,845.02

Finding the Fourth Proportional to 213,241,909.02, 319,862,867.16 and 51,683,845.02

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Solution

The fourth proportional to 213,241,909.02, 319,862,867.16 and 51,683,845.02 is: 77,525,768.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,241,909.02 : 319,862,867.16 = 51,683,845.02 : x
  2. Step 2: Convert to fraction form
    213,241,909.02/319,862,867.16 = 51,683,845.02/x
  3. Step 3: Cross multiply
    213,241,909.02x = 319,862,867.16 × 51,683,845.02
  4. Step 4: Simplify right side
    213,241,909.02x = 16,531,742,853,950,290
  5. Step 5: Solve for x
    x = 16,531,742,853,950,290/213,241,909.02
  6. Step 6: Final answer
    x = 77,525,768.41

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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.