Home / 108,432,520-149,637,927.36-59,540,997.76

Finding the Fourth Proportional to 108,432,520, 149,637,927.36 and 59,540,997.76

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Solution

The fourth proportional to 108,432,520, 149,637,927.36 and 59,540,997.76 is: 82,167,153.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,432,520 : 149,637,927.36 = 59,540,997.76 : x
  2. Step 2: Convert to fraction form
    108,432,520/149,637,927.36 = 59,540,997.76/x
  3. Step 3: Cross multiply
    108,432,520x = 149,637,927.36 × 59,540,997.76
  4. Step 4: Simplify right side
    108,432,520x = 8,909,591,497,752,803
  5. Step 5: Solve for x
    x = 8,909,591,497,752,803/108,432,520
  6. Step 6: Final answer
    x = 82,167,153.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.