Home / 76,636,274.16-105,896,398.36-54,571,466.79

Finding the Fourth Proportional to 76,636,274.16, 105,896,398.36 and 54,571,466.79

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Solution

The fourth proportional to 76,636,274.16, 105,896,398.36 and 54,571,466.79 is: 75,407,133.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,636,274.16 : 105,896,398.36 = 54,571,466.79 : x
  2. Step 2: Convert to fraction form
    76,636,274.16/105,896,398.36 = 54,571,466.79/x
  3. Step 3: Cross multiply
    76,636,274.16x = 105,896,398.36 × 54,571,466.79
  4. Step 4: Simplify right side
    76,636,274.16x = 5,778,921,785,753,868
  5. Step 5: Solve for x
    x = 5,778,921,785,753,868/76,636,274.16
  6. Step 6: Final answer
    x = 75,407,133.88

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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.