Home / 140,325,705.60-210,169,693.80-88,669,640.40

Finding the Fourth Proportional to 140,325,705.60, 210,169,693.80 and 88,669,640.40

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Solution

The fourth proportional to 140,325,705.60, 210,169,693.80 and 88,669,640.40 is: 132,802,975.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,325,705.60 : 210,169,693.80 = 88,669,640.40 : x
  2. Step 2: Convert to fraction form
    140,325,705.60/210,169,693.80 = 88,669,640.40/x
  3. Step 3: Cross multiply
    140,325,705.60x = 210,169,693.80 × 88,669,640.40
  4. Step 4: Simplify right side
    140,325,705.60x = 18,635,671,172,224,112
  5. Step 5: Solve for x
    x = 18,635,671,172,224,112/140,325,705.60
  6. Step 6: Final answer
    x = 132,802,975.00

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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.