Home / 191,190,508.04-285,697,365.96-143,556,505.53

Finding the Fourth Proportional to 191,190,508.04, 285,697,365.96 and 143,556,505.53

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Solution

The fourth proportional to 191,190,508.04, 285,697,365.96 and 143,556,505.53 is: 214,517,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,190,508.04 : 285,697,365.96 = 143,556,505.53 : x
  2. Step 2: Convert to fraction form
    191,190,508.04/285,697,365.96 = 143,556,505.53/x
  3. Step 3: Cross multiply
    191,190,508.04x = 285,697,365.96 × 143,556,505.53
  4. Step 4: Simplify right side
    191,190,508.04x = 41,013,715,496,343,168
  5. Step 5: Solve for x
    x = 41,013,715,496,343,168/191,190,508.04
  6. Step 6: Final answer
    x = 214,517,529.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.