Home / 127,766,587.60-191,649,881.40-76,622,280.40

Finding the Fourth Proportional to 127,766,587.60, 191,649,881.40 and 76,622,280.40

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Solution

The fourth proportional to 127,766,587.60, 191,649,881.40 and 76,622,280.40 is: 114,933,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,766,587.60 : 191,649,881.40 = 76,622,280.40 : x
  2. Step 2: Convert to fraction form
    127,766,587.60/191,649,881.40 = 76,622,280.40/x
  3. Step 3: Cross multiply
    127,766,587.60x = 191,649,881.40 × 76,622,280.40
  4. Step 4: Simplify right side
    127,766,587.60x = 14,684,650,951,257,546
  5. Step 5: Solve for x
    x = 14,684,650,951,257,546/127,766,587.60
  6. Step 6: Final answer
    x = 114,933,420.60

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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.