Home / 186,776,186.82-257,748,447.24-103,147,855.98

Finding the Fourth Proportional to 186,776,186.82, 257,748,447.24 and 103,147,855.98

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Solution

The fourth proportional to 186,776,186.82, 257,748,447.24 and 103,147,855.98 is: 142,342,555.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,776,186.82 : 257,748,447.24 = 103,147,855.98 : x
  2. Step 2: Convert to fraction form
    186,776,186.82/257,748,447.24 = 103,147,855.98/x
  3. Step 3: Cross multiply
    186,776,186.82x = 257,748,447.24 × 103,147,855.98
  4. Step 4: Simplify right side
    186,776,186.82x = 26,586,199,714,980,152
  5. Step 5: Solve for x
    x = 26,586,199,714,980,152/186,776,186.82
  6. Step 6: Final answer
    x = 142,342,555.37

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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.