Home / 119,105,999.40-178,658,999.10-50,955,580.20

Finding the Fourth Proportional to 119,105,999.40, 178,658,999.10 and 50,955,580.20

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Solution

The fourth proportional to 119,105,999.40, 178,658,999.10 and 50,955,580.20 is: 76,433,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,105,999.40 : 178,658,999.10 = 50,955,580.20 : x
  2. Step 2: Convert to fraction form
    119,105,999.40/178,658,999.10 = 50,955,580.20/x
  3. Step 3: Cross multiply
    119,105,999.40x = 178,658,999.10 × 50,955,580.20
  4. Step 4: Simplify right side
    119,105,999.40x = 9,103,672,957,091,778
  5. Step 5: Solve for x
    x = 9,103,672,957,091,778/119,105,999.40
  6. Step 6: Final answer
    x = 76,433,370.30

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1.5x scale

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.