Home / 57,237,056-78,979,968.21-38,692,545.35

Finding the Fourth Proportional to 57,237,056, 78,979,968.21 and 38,692,545.35

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Solution

The fourth proportional to 57,237,056, 78,979,968.21 and 38,692,545.35 is: 53,390,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,237,056 : 78,979,968.21 = 38,692,545.35 : x
  2. Step 2: Convert to fraction form
    57,237,056/78,979,968.21 = 38,692,545.35/x
  3. Step 3: Cross multiply
    57,237,056x = 78,979,968.21 × 38,692,545.35
  4. Step 4: Simplify right side
    57,237,056x = 3,055,936,001,706,983
  5. Step 5: Solve for x
    x = 3,055,936,001,706,983/57,237,056
  6. Step 6: Final answer
    x = 53,390,866.25

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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.