Home / 74,861,603.70-112,292,405.55-18,127,907.70

Finding the Fourth Proportional to 74,861,603.70, 112,292,405.55 and 18,127,907.70

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Solution

The fourth proportional to 74,861,603.70, 112,292,405.55 and 18,127,907.70 is: 27,191,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,861,603.70 : 112,292,405.55 = 18,127,907.70 : x
  2. Step 2: Convert to fraction form
    74,861,603.70/112,292,405.55 = 18,127,907.70/x
  3. Step 3: Cross multiply
    74,861,603.70x = 112,292,405.55 × 18,127,907.70
  4. Step 4: Simplify right side
    74,861,603.70x = 2,035,626,363,221,367.50
  5. Step 5: Solve for x
    x = 2,035,626,363,221,367.50/74,861,603.70
  6. Step 6: Final answer
    x = 27,191,861.55

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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.