Home / 142,829,676.70-214,244,515.05-74,693,254.30

Finding the Fourth Proportional to 142,829,676.70, 214,244,515.05 and 74,693,254.30

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Solution

The fourth proportional to 142,829,676.70, 214,244,515.05 and 74,693,254.30 is: 112,039,881.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,829,676.70 : 214,244,515.05 = 74,693,254.30 : x
  2. Step 2: Convert to fraction form
    142,829,676.70/214,244,515.05 = 74,693,254.30/x
  3. Step 3: Cross multiply
    142,829,676.70x = 214,244,515.05 × 74,693,254.30
  4. Step 4: Simplify right side
    142,829,676.70x = 16,002,620,045,009,828
  5. Step 5: Solve for x
    x = 16,002,620,045,009,828/142,829,676.70
  6. Step 6: Final answer
    x = 112,039,881.45

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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.