Home / 87,389,259.30-130,974,278.40-46,347,399.54

Finding the Fourth Proportional to 87,389,259.30, 130,974,278.40 and 46,347,399.54

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Solution

The fourth proportional to 87,389,259.30, 130,974,278.40 and 46,347,399.54 is: 69,462,966.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,389,259.30 : 130,974,278.40 = 46,347,399.54 : x
  2. Step 2: Convert to fraction form
    87,389,259.30/130,974,278.40 = 46,347,399.54/x
  3. Step 3: Cross multiply
    87,389,259.30x = 130,974,278.40 × 46,347,399.54
  4. Step 4: Simplify right side
    87,389,259.30x = 6,070,317,210,467,992
  5. Step 5: Solve for x
    x = 6,070,317,210,467,992/87,389,259.30
  6. Step 6: Final answer
    x = 69,462,966.72

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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.