Home / 73,118,809.60-100,901,792.32-40,078,352.32

Finding the Fourth Proportional to 73,118,809.60, 100,901,792.32 and 40,078,352.32

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Solution

The fourth proportional to 73,118,809.60, 100,901,792.32 and 40,078,352.32 is: 55,306,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,118,809.60 : 100,901,792.32 = 40,078,352.32 : x
  2. Step 2: Convert to fraction form
    73,118,809.60/100,901,792.32 = 40,078,352.32/x
  3. Step 3: Cross multiply
    73,118,809.60x = 100,901,792.32 × 40,078,352.32
  4. Step 4: Simplify right side
    73,118,809.60x = 4,043,977,582,320,430
  5. Step 5: Solve for x
    x = 4,043,977,582,320,430/73,118,809.60
  6. Step 6: Final answer
    x = 55,306,939.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.