Home / 141,939,818.40-212,909,727.60-127,579,101.60

Finding the Fourth Proportional to 141,939,818.40, 212,909,727.60 and 127,579,101.60

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Solution

The fourth proportional to 141,939,818.40, 212,909,727.60 and 127,579,101.60 is: 191,368,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,939,818.40 : 212,909,727.60 = 127,579,101.60 : x
  2. Step 2: Convert to fraction form
    141,939,818.40/212,909,727.60 = 127,579,101.60/x
  3. Step 3: Cross multiply
    141,939,818.40x = 212,909,727.60 × 127,579,101.60
  4. Step 4: Simplify right side
    141,939,818.40x = 27,162,831,769,108,724
  5. Step 5: Solve for x
    x = 27,162,831,769,108,724/141,939,818.40
  6. Step 6: Final answer
    x = 191,368,652.40

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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.