Home / 53,227,339.40-79,841,009.10-47,842,070.60

Finding the Fourth Proportional to 53,227,339.40, 79,841,009.10 and 47,842,070.60

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Solution

The fourth proportional to 53,227,339.40, 79,841,009.10 and 47,842,070.60 is: 71,763,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,227,339.40 : 79,841,009.10 = 47,842,070.60 : x
  2. Step 2: Convert to fraction form
    53,227,339.40/79,841,009.10 = 47,842,070.60/x
  3. Step 3: Cross multiply
    53,227,339.40x = 79,841,009.10 × 47,842,070.60
  4. Step 4: Simplify right side
    53,227,339.40x = 3,819,759,194,137,442.50
  5. Step 5: Solve for x
    x = 3,819,759,194,137,442.50/53,227,339.40
  6. Step 6: Final answer
    x = 71,763,105.90

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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.