Home / 56,694,953.78-78,263,220.42-38,120,860.16

Finding the Fourth Proportional to 56,694,953.78, 78,263,220.42 and 38,120,860.16

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Solution

The fourth proportional to 56,694,953.78, 78,263,220.42 and 38,120,860.16 is: 52,623,048.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,694,953.78 : 78,263,220.42 = 38,120,860.16 : x
  2. Step 2: Convert to fraction form
    56,694,953.78/78,263,220.42 = 38,120,860.16/x
  3. Step 3: Cross multiply
    56,694,953.78x = 78,263,220.42 × 38,120,860.16
  4. Step 4: Simplify right side
    56,694,953.78x = 2,983,461,281,302,076.50
  5. Step 5: Solve for x
    x = 2,983,461,281,302,076.50/56,694,953.78
  6. Step 6: Final answer
    x = 52,623,048.13

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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.