Home / 76,432,685.81-105,476,372.24-41,625,957.51

Finding the Fourth Proportional to 76,432,685.81, 105,476,372.24 and 41,625,957.51

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Solution

The fourth proportional to 76,432,685.81, 105,476,372.24 and 41,625,957.51 is: 57,443,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,432,685.81 : 105,476,372.24 = 41,625,957.51 : x
  2. Step 2: Convert to fraction form
    76,432,685.81/105,476,372.24 = 41,625,957.51/x
  3. Step 3: Cross multiply
    76,432,685.81x = 105,476,372.24 × 41,625,957.51
  4. Step 4: Simplify right side
    76,432,685.81x = 4,390,554,988,963,053.50
  5. Step 5: Solve for x
    x = 4,390,554,988,963,053.50/76,432,685.81
  6. Step 6: Final answer
    x = 57,443,421.52

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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.