Home / 84,774,579.40-127,161,869.10-33,630,272.20

Finding the Fourth Proportional to 84,774,579.40, 127,161,869.10 and 33,630,272.20

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Solution

The fourth proportional to 84,774,579.40, 127,161,869.10 and 33,630,272.20 is: 50,445,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,774,579.40 : 127,161,869.10 = 33,630,272.20 : x
  2. Step 2: Convert to fraction form
    84,774,579.40/127,161,869.10 = 33,630,272.20/x
  3. Step 3: Cross multiply
    84,774,579.40x = 127,161,869.10 × 33,630,272.20
  4. Step 4: Simplify right side
    84,774,579.40x = 4,276,488,271,293,769
  5. Step 5: Solve for x
    x = 4,276,488,271,293,769/84,774,579.40
  6. Step 6: Final answer
    x = 50,445,408.30

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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.