Home / 130,320,427.20-195,430,874.40-39,413,803.20

Finding the Fourth Proportional to 130,320,427.20, 195,430,874.40 and 39,413,803.20

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Solution

The fourth proportional to 130,320,427.20, 195,430,874.40 and 39,413,803.20 is: 59,105,653.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,320,427.20 : 195,430,874.40 = 39,413,803.20 : x
  2. Step 2: Convert to fraction form
    130,320,427.20/195,430,874.40 = 39,413,803.20/x
  3. Step 3: Cross multiply
    130,320,427.20x = 195,430,874.40 × 39,413,803.20
  4. Step 4: Simplify right side
    130,320,427.20x = 7,702,674,022,805,519
  5. Step 5: Solve for x
    x = 7,702,674,022,805,519/130,320,427.20
  6. Step 6: Final answer
    x = 59,105,653.57

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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.