Home / 89,892,003.40-134,838,005.10-51,671,408.20

Finding the Fourth Proportional to 89,892,003.40, 134,838,005.10 and 51,671,408.20

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Solution

The fourth proportional to 89,892,003.40, 134,838,005.10 and 51,671,408.20 is: 77,507,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,892,003.40 : 134,838,005.10 = 51,671,408.20 : x
  2. Step 2: Convert to fraction form
    89,892,003.40/134,838,005.10 = 51,671,408.20/x
  3. Step 3: Cross multiply
    89,892,003.40x = 134,838,005.10 × 51,671,408.20
  4. Step 4: Simplify right side
    89,892,003.40x = 6,967,269,602,395,782
  5. Step 5: Solve for x
    x = 6,967,269,602,395,782/89,892,003.40
  6. Step 6: Final answer
    x = 77,507,112.30

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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.