Home / 70,267,386.90-96,972,024.22-38,905,436.48

Finding the Fourth Proportional to 70,267,386.90, 96,972,024.22 and 38,905,436.48

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Solution

The fourth proportional to 70,267,386.90, 96,972,024.22 and 38,905,436.48 is: 53,691,180.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,267,386.90 : 96,972,024.22 = 38,905,436.48 : x
  2. Step 2: Convert to fraction form
    70,267,386.90/96,972,024.22 = 38,905,436.48/x
  3. Step 3: Cross multiply
    70,267,386.90x = 96,972,024.22 × 38,905,436.48
  4. Step 4: Simplify right side
    70,267,386.90x = 3,772,738,928,143,371.50
  5. Step 5: Solve for x
    x = 3,772,738,928,143,371.50/70,267,386.90
  6. Step 6: Final answer
    x = 53,691,180.14

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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.