Home / 71,852,951.60-107,779,427.40-49,178,135.60

Finding the Fourth Proportional to 71,852,951.60, 107,779,427.40 and 49,178,135.60

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Solution

The fourth proportional to 71,852,951.60, 107,779,427.40 and 49,178,135.60 is: 73,767,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,852,951.60 : 107,779,427.40 = 49,178,135.60 : x
  2. Step 2: Convert to fraction form
    71,852,951.60/107,779,427.40 = 49,178,135.60/x
  3. Step 3: Cross multiply
    71,852,951.60x = 107,779,427.40 × 49,178,135.60
  4. Step 4: Simplify right side
    71,852,951.60x = 5,300,391,295,567,556
  5. Step 5: Solve for x
    x = 5,300,391,295,567,556/71,852,951.60
  6. Step 6: Final answer
    x = 73,767,203.40

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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.