Home / 154,556,870.40-231,835,305.60-82,893,254.40

Finding the Fourth Proportional to 154,556,870.40, 231,835,305.60 and 82,893,254.40

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Solution

The fourth proportional to 154,556,870.40, 231,835,305.60 and 82,893,254.40 is: 124,339,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,556,870.40 : 231,835,305.60 = 82,893,254.40 : x
  2. Step 2: Convert to fraction form
    154,556,870.40/231,835,305.60 = 82,893,254.40/x
  3. Step 3: Cross multiply
    154,556,870.40x = 231,835,305.60 × 82,893,254.40
  4. Step 4: Simplify right side
    154,556,870.40x = 19,217,582,966,002,544
  5. Step 5: Solve for x
    x = 19,217,582,966,002,544/154,556,870.40
  6. Step 6: Final answer
    x = 124,339,881.60

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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.