Home / 97,806,085.60-146,709,128.40-73,412,943.70

Finding the Fourth Proportional to 97,806,085.60, 146,709,128.40 and 73,412,943.70

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Solution

The fourth proportional to 97,806,085.60, 146,709,128.40 and 73,412,943.70 is: 110,119,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,806,085.60 : 146,709,128.40 = 73,412,943.70 : x
  2. Step 2: Convert to fraction form
    97,806,085.60/146,709,128.40 = 73,412,943.70/x
  3. Step 3: Cross multiply
    97,806,085.60x = 146,709,128.40 × 73,412,943.70
  4. Step 4: Simplify right side
    97,806,085.60x = 10,770,348,983,505,272
  5. Step 5: Solve for x
    x = 10,770,348,983,505,272/97,806,085.60
  6. Step 6: Final answer
    x = 110,119,415.55

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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.