Home / 92,963,918.32-128,292,194.62-51,148,103.91

Finding the Fourth Proportional to 92,963,918.32, 128,292,194.62 and 51,148,103.91

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Solution

The fourth proportional to 92,963,918.32, 128,292,194.62 and 51,148,103.91 is: 70,585,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,963,918.32 : 128,292,194.62 = 51,148,103.91 : x
  2. Step 2: Convert to fraction form
    92,963,918.32/128,292,194.62 = 51,148,103.91/x
  3. Step 3: Cross multiply
    92,963,918.32x = 128,292,194.62 × 51,148,103.91
  4. Step 4: Simplify right side
    92,963,918.32x = 6,561,902,500,939,137
  5. Step 5: Solve for x
    x = 6,561,902,500,939,137/92,963,918.32
  6. Step 6: Final answer
    x = 70,585,476.81

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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.