Home / 151,149,541.16-208,579,656.66-84,171,953.90

Finding the Fourth Proportional to 151,149,541.16, 208,579,656.66 and 84,171,953.90

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Solution

The fourth proportional to 151,149,541.16, 208,579,656.66 and 84,171,953.90 is: 116,153,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,149,541.16 : 208,579,656.66 = 84,171,953.90 : x
  2. Step 2: Convert to fraction form
    151,149,541.16/208,579,656.66 = 84,171,953.90/x
  3. Step 3: Cross multiply
    151,149,541.16x = 208,579,656.66 × 84,171,953.90
  4. Step 4: Simplify right side
    151,149,541.16x = 17,556,557,244,863,348
  5. Step 5: Solve for x
    x = 17,556,557,244,863,348/151,149,541.16
  6. Step 6: Final answer
    x = 116,153,559.65

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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.