Home / 286,055,062.92-428,864,347.44-130,500,084.72

Finding the Fourth Proportional to 286,055,062.92, 428,864,347.44 and 130,500,084.72

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Solution

The fourth proportional to 286,055,062.92, 428,864,347.44 and 130,500,084.72 is: 195,650,561.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,055,062.92 : 428,864,347.44 = 130,500,084.72 : x
  2. Step 2: Convert to fraction form
    286,055,062.92/428,864,347.44 = 130,500,084.72/x
  3. Step 3: Cross multiply
    286,055,062.92x = 428,864,347.44 × 130,500,084.72
  4. Step 4: Simplify right side
    286,055,062.92x = 55,966,833,674,307,512
  5. Step 5: Solve for x
    x = 55,966,833,674,307,512/286,055,062.92
  6. Step 6: Final answer
    x = 195,650,561.48

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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.