Home / 147,233,798.20-220,848,623.70-66,454,636.60

Finding the Fourth Proportional to 147,233,798.20, 220,848,623.70 and 66,454,636.60

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Solution

The fourth proportional to 147,233,798.20, 220,848,623.70 and 66,454,636.60 is: 99,681,018.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,233,798.20 : 220,848,623.70 = 66,454,636.60 : x
  2. Step 2: Convert to fraction form
    147,233,798.20/220,848,623.70 = 66,454,636.60/x
  3. Step 3: Cross multiply
    147,233,798.20x = 220,848,623.70 × 66,454,636.60
  4. Step 4: Simplify right side
    147,233,798.20x = 14,676,415,031,593,646
  5. Step 5: Solve for x
    x = 14,676,415,031,593,646/147,233,798.20
  6. Step 6: Final answer
    x = 99,681,018.97

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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.