Home / 118,691,718.60-178,037,577.90-97,150,643.40

Finding the Fourth Proportional to 118,691,718.60, 178,037,577.90 and 97,150,643.40

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Solution

The fourth proportional to 118,691,718.60, 178,037,577.90 and 97,150,643.40 is: 145,725,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,691,718.60 : 178,037,577.90 = 97,150,643.40 : x
  2. Step 2: Convert to fraction form
    118,691,718.60/178,037,577.90 = 97,150,643.40/x
  3. Step 3: Cross multiply
    118,691,718.60x = 178,037,577.90 × 97,150,643.40
  4. Step 4: Simplify right side
    118,691,718.60x = 17,296,465,242,362,622
  5. Step 5: Solve for x
    x = 17,296,465,242,362,622/118,691,718.60
  6. Step 6: Final answer
    x = 145,725,965.10

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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.