Home / 89,169,638.40-133,628,486.40-65,959,444.80

Finding the Fourth Proportional to 89,169,638.40, 133,628,486.40 and 65,959,444.80

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Solution

The fourth proportional to 89,169,638.40, 133,628,486.40 and 65,959,444.80 is: 98,845,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,169,638.40 : 133,628,486.40 = 65,959,444.80 : x
  2. Step 2: Convert to fraction form
    89,169,638.40/133,628,486.40 = 65,959,444.80/x
  3. Step 3: Cross multiply
    89,169,638.40x = 133,628,486.40 × 65,959,444.80
  4. Step 4: Simplify right side
    89,169,638.40x = 8,814,060,772,408,351
  5. Step 5: Solve for x
    x = 8,814,060,772,408,351/89,169,638.40
  6. Step 6: Final answer
    x = 98,845,985.37

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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.