Home / 112,123,043.10-168,184,564.65-73,380,994.20

Finding the Fourth Proportional to 112,123,043.10, 168,184,564.65 and 73,380,994.20

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Solution

The fourth proportional to 112,123,043.10, 168,184,564.65 and 73,380,994.20 is: 110,071,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,123,043.10 : 168,184,564.65 = 73,380,994.20 : x
  2. Step 2: Convert to fraction form
    112,123,043.10/168,184,564.65 = 73,380,994.20/x
  3. Step 3: Cross multiply
    112,123,043.10x = 168,184,564.65 × 73,380,994.20
  4. Step 4: Simplify right side
    112,123,043.10x = 12,341,550,563,111,176
  5. Step 5: Solve for x
    x = 12,341,550,563,111,176/112,123,043.10
  6. Step 6: Final answer
    x = 110,071,491.30

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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.