Home / 74,903,085.44-112,354,626.80-21,050,397.44

Finding the Fourth Proportional to 74,903,085.44, 112,354,626.80 and 21,050,397.44

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Solution

The fourth proportional to 74,903,085.44, 112,354,626.80 and 21,050,397.44 is: 31,575,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,903,085.44 : 112,354,626.80 = 21,050,397.44 : x
  2. Step 2: Convert to fraction form
    74,903,085.44/112,354,626.80 = 21,050,397.44/x
  3. Step 3: Cross multiply
    74,903,085.44x = 112,354,626.80 × 21,050,397.44
  4. Step 4: Simplify right side
    74,903,085.44x = 2,365,109,548,362,875.50
  5. Step 5: Solve for x
    x = 2,365,109,548,362,875.50/74,903,085.44
  6. Step 6: Final answer
    x = 31,575,595.78

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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.