Home / 144,137,652.23-198,908,969.61-78,056,638.29

Finding the Fourth Proportional to 144,137,652.23, 198,908,969.61 and 78,056,638.29

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Solution

The fourth proportional to 144,137,652.23, 198,908,969.61 and 78,056,638.29 is: 107,717,624.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,137,652.23 : 198,908,969.61 = 78,056,638.29 : x
  2. Step 2: Convert to fraction form
    144,137,652.23/198,908,969.61 = 78,056,638.29/x
  3. Step 3: Cross multiply
    144,137,652.23x = 198,908,969.61 × 78,056,638.29
  4. Step 4: Simplify right side
    144,137,652.23x = 15,526,165,493,484,374
  5. Step 5: Solve for x
    x = 15,526,165,493,484,374/144,137,652.23
  6. Step 6: Final answer
    x = 107,717,624.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.