Home / 55,779,368.40-83,669,052.60-39,517,273.80

Finding the Fourth Proportional to 55,779,368.40, 83,669,052.60 and 39,517,273.80

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Solution

The fourth proportional to 55,779,368.40, 83,669,052.60 and 39,517,273.80 is: 59,275,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779,368.40 : 83,669,052.60 = 39,517,273.80 : x
  2. Step 2: Convert to fraction form
    55,779,368.40/83,669,052.60 = 39,517,273.80/x
  3. Step 3: Cross multiply
    55,779,368.40x = 83,669,052.60 × 39,517,273.80
  4. Step 4: Simplify right side
    55,779,368.40x = 3,306,372,860,180,801.50
  5. Step 5: Solve for x
    x = 3,306,372,860,180,801.50/55,779,368.40
  6. Step 6: Final answer
    x = 59,275,910.70

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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.