Home / 145,335,976.20-218,045,954.70-43,102,474.20

Finding the Fourth Proportional to 145,335,976.20, 218,045,954.70 and 43,102,474.20

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Solution

The fourth proportional to 145,335,976.20, 218,045,954.70 and 43,102,474.20 is: 64,666,164.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,335,976.20 : 218,045,954.70 = 43,102,474.20 : x
  2. Step 2: Convert to fraction form
    145,335,976.20/218,045,954.70 = 43,102,474.20/x
  3. Step 3: Cross multiply
    145,335,976.20x = 218,045,954.70 × 43,102,474.20
  4. Step 4: Simplify right side
    145,335,976.20x = 9,398,320,136,871,118
  5. Step 5: Solve for x
    x = 9,398,320,136,871,118/145,335,976.20
  6. Step 6: Final answer
    x = 64,666,164.45

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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.