Home / 128,827,073.70-193,114,639.35-115,222,184.10

Finding the Fourth Proportional to 128,827,073.70, 193,114,639.35 and 115,222,184.10

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Solution

The fourth proportional to 128,827,073.70, 193,114,639.35 and 115,222,184.10 is: 172,720,608.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,827,073.70 : 193,114,639.35 = 115,222,184.10 : x
  2. Step 2: Convert to fraction form
    128,827,073.70/193,114,639.35 = 115,222,184.10/x
  3. Step 3: Cross multiply
    128,827,073.70x = 193,114,639.35 × 115,222,184.10
  4. Step 4: Simplify right side
    128,827,073.70x = 22,251,090,527,590,804
  5. Step 5: Solve for x
    x = 22,251,090,527,590,804/128,827,073.70
  6. Step 6: Final answer
    x = 172,720,608.24

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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.