Home / 104,299,261.80-156,467,555.10-43,721,111.40

Finding the Fourth Proportional to 104,299,261.80, 156,467,555.10 and 43,721,111.40

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Solution

The fourth proportional to 104,299,261.80, 156,467,555.10 and 43,721,111.40 is: 65,589,490.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,299,261.80 : 156,467,555.10 = 43,721,111.40 : x
  2. Step 2: Convert to fraction form
    104,299,261.80/156,467,555.10 = 43,721,111.40/x
  3. Step 3: Cross multiply
    104,299,261.80x = 156,467,555.10 × 43,721,111.40
  4. Step 4: Simplify right side
    104,299,261.80x = 6,840,935,407,012,738
  5. Step 5: Solve for x
    x = 6,840,935,407,012,738/104,299,261.80
  6. Step 6: Final answer
    x = 65,589,490.17

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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.