Home / 107,428,853.60-161,143,280.40-92,816,194.40

Finding the Fourth Proportional to 107,428,853.60, 161,143,280.40 and 92,816,194.40

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Solution

The fourth proportional to 107,428,853.60, 161,143,280.40 and 92,816,194.40 is: 139,224,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,428,853.60 : 161,143,280.40 = 92,816,194.40 : x
  2. Step 2: Convert to fraction form
    107,428,853.60/161,143,280.40 = 92,816,194.40/x
  3. Step 3: Cross multiply
    107,428,853.60x = 161,143,280.40 × 92,816,194.40
  4. Step 4: Simplify right side
    107,428,853.60x = 14,956,706,039,860,112
  5. Step 5: Solve for x
    x = 14,956,706,039,860,112/107,428,853.60
  6. Step 6: Final answer
    x = 139,224,291.60

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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.