Home / 131,122,892.40-196,803,311.40-66,471,673.20

Finding the Fourth Proportional to 131,122,892.40, 196,803,311.40 and 66,471,673.20

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Solution

The fourth proportional to 131,122,892.40, 196,803,311.40 and 66,471,673.20 is: 99,767,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,122,892.40 : 196,803,311.40 = 66,471,673.20 : x
  2. Step 2: Convert to fraction form
    131,122,892.40/196,803,311.40 = 66,471,673.20/x
  3. Step 3: Cross multiply
    131,122,892.40x = 196,803,311.40 × 66,471,673.20
  4. Step 4: Simplify right side
    131,122,892.40x = 13,081,845,400,058,636
  5. Step 5: Solve for x
    x = 13,081,845,400,058,636/131,122,892.40
  6. Step 6: Final answer
    x = 99,767,822.08

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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.