Home / 56,935,801.85-78,571,783.85-30,830,319.59

Finding the Fourth Proportional to 56,935,801.85, 78,571,783.85 and 30,830,319.59

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Solution

The fourth proportional to 56,935,801.85, 78,571,783.85 and 30,830,319.59 is: 42,546,045.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935,801.85 : 78,571,783.85 = 30,830,319.59 : x
  2. Step 2: Convert to fraction form
    56,935,801.85/78,571,783.85 = 30,830,319.59/x
  3. Step 3: Cross multiply
    56,935,801.85x = 78,571,783.85 × 30,830,319.59
  4. Step 4: Simplify right side
    56,935,801.85x = 2,422,393,206,304,890
  5. Step 5: Solve for x
    x = 2,422,393,206,304,890/56,935,801.85
  6. Step 6: Final answer
    x = 42,546,045.33

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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.