Home / 147,019,998.40-220,194,074.40-86,553,822.40

Finding the Fourth Proportional to 147,019,998.40, 220,194,074.40 and 86,553,822.40

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Solution

The fourth proportional to 147,019,998.40, 220,194,074.40 and 86,553,822.40 is: 129,632,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,019,998.40 : 220,194,074.40 = 86,553,822.40 : x
  2. Step 2: Convert to fraction form
    147,019,998.40/220,194,074.40 = 86,553,822.40/x
  3. Step 3: Cross multiply
    147,019,998.40x = 220,194,074.40 × 86,553,822.40
  4. Step 4: Simplify right side
    147,019,998.40x = 19,058,638,809,149,988
  5. Step 5: Solve for x
    x = 19,058,638,809,149,988/147,019,998.40
  6. Step 6: Final answer
    x = 129,632,968.42

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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.