Home / 127,812,470.40-191,718,705.60-59,662,051.20

Finding the Fourth Proportional to 127,812,470.40, 191,718,705.60 and 59,662,051.20

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Solution

The fourth proportional to 127,812,470.40, 191,718,705.60 and 59,662,051.20 is: 89,493,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,812,470.40 : 191,718,705.60 = 59,662,051.20 : x
  2. Step 2: Convert to fraction form
    127,812,470.40/191,718,705.60 = 59,662,051.20/x
  3. Step 3: Cross multiply
    127,812,470.40x = 191,718,705.60 × 59,662,051.20
  4. Step 4: Simplify right side
    127,812,470.40x = 11,438,331,229,504,926
  5. Step 5: Solve for x
    x = 11,438,331,229,504,926/127,812,470.40
  6. Step 6: Final answer
    x = 89,493,076.80

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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.