Home / 74,473,938.76-102,774,976.72-40,987,272.14

Finding the Fourth Proportional to 74,473,938.76, 102,774,976.72 and 40,987,272.14

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Solution

The fourth proportional to 74,473,938.76, 102,774,976.72 and 40,987,272.14 is: 56,562,953.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,473,938.76 : 102,774,976.72 = 40,987,272.14 : x
  2. Step 2: Convert to fraction form
    74,473,938.76/102,774,976.72 = 40,987,272.14/x
  3. Step 3: Cross multiply
    74,473,938.76x = 102,774,976.72 × 40,987,272.14
  4. Step 4: Simplify right side
    74,473,938.76x = 4,212,465,939,528,630
  5. Step 5: Solve for x
    x = 4,212,465,939,528,630/74,473,938.76
  6. Step 6: Final answer
    x = 56,562,953.56

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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.