Home / 55,779,427.20-83,669,140.80-55,460,562.60

Finding the Fourth Proportional to 55,779,427.20, 83,669,140.80 and 55,460,562.60

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Solution

The fourth proportional to 55,779,427.20, 83,669,140.80 and 55,460,562.60 is: 83,190,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779,427.20 : 83,669,140.80 = 55,460,562.60 : x
  2. Step 2: Convert to fraction form
    55,779,427.20/83,669,140.80 = 55,460,562.60/x
  3. Step 3: Cross multiply
    55,779,427.20x = 83,669,140.80 × 55,460,562.60
  4. Step 4: Simplify right side
    55,779,427.20x = 4,640,337,621,026,614
  5. Step 5: Solve for x
    x = 4,640,337,621,026,614/55,779,427.20
  6. Step 6: Final answer
    x = 83,190,843.90

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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.