Home / 141,379,101.60-212,068,652.40-118,685,623.20

Finding the Fourth Proportional to 141,379,101.60, 212,068,652.40 and 118,685,623.20

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Solution

The fourth proportional to 141,379,101.60, 212,068,652.40 and 118,685,623.20 is: 178,028,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,379,101.60 : 212,068,652.40 = 118,685,623.20 : x
  2. Step 2: Convert to fraction form
    141,379,101.60/212,068,652.40 = 118,685,623.20/x
  3. Step 3: Cross multiply
    141,379,101.60x = 212,068,652.40 × 118,685,623.20
  4. Step 4: Simplify right side
    141,379,101.60x = 25,169,500,171,278,176
  5. Step 5: Solve for x
    x = 25,169,500,171,278,176/141,379,101.60
  6. Step 6: Final answer
    x = 178,028,434.80

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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.