Home / 127,703,254.40-191,554,881.60-89,408,009.60

Finding the Fourth Proportional to 127,703,254.40, 191,554,881.60 and 89,408,009.60

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Solution

The fourth proportional to 127,703,254.40, 191,554,881.60 and 89,408,009.60 is: 134,112,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,703,254.40 : 191,554,881.60 = 89,408,009.60 : x
  2. Step 2: Convert to fraction form
    127,703,254.40/191,554,881.60 = 89,408,009.60/x
  3. Step 3: Cross multiply
    127,703,254.40x = 191,554,881.60 × 89,408,009.60
  4. Step 4: Simplify right side
    127,703,254.40x = 17,126,540,693,019,662
  5. Step 5: Solve for x
    x = 17,126,540,693,019,662/127,703,254.40
  6. Step 6: Final answer
    x = 134,112,014.40

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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.