Home / 142,056,538.70-213,084,808.05-65,529,034.70

Finding the Fourth Proportional to 142,056,538.70, 213,084,808.05 and 65,529,034.70

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Solution

The fourth proportional to 142,056,538.70, 213,084,808.05 and 65,529,034.70 is: 98,293,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,056,538.70 : 213,084,808.05 = 65,529,034.70 : x
  2. Step 2: Convert to fraction form
    142,056,538.70/213,084,808.05 = 65,529,034.70/x
  3. Step 3: Cross multiply
    142,056,538.70x = 213,084,808.05 × 65,529,034.70
  4. Step 4: Simplify right side
    142,056,538.70x = 13,963,241,780,751,290
  5. Step 5: Solve for x
    x = 13,963,241,780,751,290/142,056,538.70
  6. Step 6: Final answer
    x = 98,293,552.05

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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.