Home / 130,219,928.64-179,702,792.19-71,483,593.32

Finding the Fourth Proportional to 130,219,928.64, 179,702,792.19 and 71,483,593.32

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Solution

The fourth proportional to 130,219,928.64, 179,702,792.19 and 71,483,593.32 is: 98,646,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,219,928.64 : 179,702,792.19 = 71,483,593.32 : x
  2. Step 2: Convert to fraction form
    130,219,928.64/179,702,792.19 = 71,483,593.32/x
  3. Step 3: Cross multiply
    130,219,928.64x = 179,702,792.19 × 71,483,593.32
  4. Step 4: Simplify right side
    130,219,928.64x = 12,845,801,315,378,430
  5. Step 5: Solve for x
    x = 12,845,801,315,378,430/130,219,928.64
  6. Step 6: Final answer
    x = 98,646,969.40

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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.