Home / 147,020,615.40-220,194,999.90-86,554,439.40

Finding the Fourth Proportional to 147,020,615.40, 220,194,999.90 and 86,554,439.40

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Solution

The fourth proportional to 147,020,615.40, 220,194,999.90 and 86,554,439.40 is: 129,633,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,020,615.40 : 220,194,999.90 = 86,554,439.40 : x
  2. Step 2: Convert to fraction form
    147,020,615.40/220,194,999.90 = 86,554,439.40/x
  3. Step 3: Cross multiply
    147,020,615.40x = 220,194,999.90 × 86,554,439.40
  4. Step 4: Simplify right side
    147,020,615.40x = 19,058,854,775,027,556
  5. Step 5: Solve for x
    x = 19,058,854,775,027,556/147,020,615.40
  6. Step 6: Final answer
    x = 129,633,893.34

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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.