Home / 107,919,116.40-161,878,674.60-75,607,503.60

Finding the Fourth Proportional to 107,919,116.40, 161,878,674.60 and 75,607,503.60

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Solution

The fourth proportional to 107,919,116.40, 161,878,674.60 and 75,607,503.60 is: 113,411,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,919,116.40 : 161,878,674.60 = 75,607,503.60 : x
  2. Step 2: Convert to fraction form
    107,919,116.40/161,878,674.60 = 75,607,503.60/x
  3. Step 3: Cross multiply
    107,919,116.40x = 161,878,674.60 × 75,607,503.60
  4. Step 4: Simplify right side
    107,919,116.40x = 12,239,242,472,582,728
  5. Step 5: Solve for x
    x = 12,239,242,472,582,728/107,919,116.40
  6. Step 6: Final answer
    x = 113,411,255.40

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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.