Home / 55,614,481.20-83,421,721.80-53,346,999.60

Finding the Fourth Proportional to 55,614,481.20, 83,421,721.80 and 53,346,999.60

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Solution

The fourth proportional to 55,614,481.20, 83,421,721.80 and 53,346,999.60 is: 80,020,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,614,481.20 : 83,421,721.80 = 53,346,999.60 : x
  2. Step 2: Convert to fraction form
    55,614,481.20/83,421,721.80 = 53,346,999.60/x
  3. Step 3: Cross multiply
    55,614,481.20x = 83,421,721.80 × 53,346,999.60
  4. Step 4: Simplify right side
    55,614,481.20x = 4,450,298,559,495,911
  5. Step 5: Solve for x
    x = 4,450,298,559,495,911/55,614,481.20
  6. Step 6: Final answer
    x = 80,020,499.40

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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.