Home / 61,819,862.80-92,729,794.20-54,261,590.80

Finding the Fourth Proportional to 61,819,862.80, 92,729,794.20 and 54,261,590.80

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Solution

The fourth proportional to 61,819,862.80, 92,729,794.20 and 54,261,590.80 is: 81,392,386.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,819,862.80 : 92,729,794.20 = 54,261,590.80 : x
  2. Step 2: Convert to fraction form
    61,819,862.80/92,729,794.20 = 54,261,590.80/x
  3. Step 3: Cross multiply
    61,819,862.80x = 92,729,794.20 × 54,261,590.80
  4. Step 4: Simplify right side
    61,819,862.80x = 5,031,666,147,848,613
  5. Step 5: Solve for x
    x = 5,031,666,147,848,613/61,819,862.80
  6. Step 6: Final answer
    x = 81,392,386.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.