Home / 141,928,129.60-212,892,194.40-127,595,406.40

Finding the Fourth Proportional to 141,928,129.60, 212,892,194.40 and 127,595,406.40

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Solution

The fourth proportional to 141,928,129.60, 212,892,194.40 and 127,595,406.40 is: 191,393,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,928,129.60 : 212,892,194.40 = 127,595,406.40 : x
  2. Step 2: Convert to fraction form
    141,928,129.60/212,892,194.40 = 127,595,406.40/x
  3. Step 3: Cross multiply
    141,928,129.60x = 212,892,194.40 × 127,595,406.40
  4. Step 4: Simplify right side
    141,928,129.60x = 27,164,066,063,855,808
  5. Step 5: Solve for x
    x = 27,164,066,063,855,808/141,928,129.60
  6. Step 6: Final answer
    x = 191,393,109.60

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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.