Home / 186,776,172.42-257,748,427.40-103,147,841.59

Finding the Fourth Proportional to 186,776,172.42, 257,748,427.40 and 103,147,841.59

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Solution

The fourth proportional to 186,776,172.42, 257,748,427.40 and 103,147,841.59 is: 142,342,535.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,776,172.42 : 257,748,427.40 = 103,147,841.59 : x
  2. Step 2: Convert to fraction form
    186,776,172.42/257,748,427.40 = 103,147,841.59/x
  3. Step 3: Cross multiply
    186,776,172.42x = 257,748,427.40 × 103,147,841.59
  4. Step 4: Simplify right side
    186,776,172.42x = 26,586,193,959,526,816
  5. Step 5: Solve for x
    x = 26,586,193,959,526,816/186,776,172.42
  6. Step 6: Final answer
    x = 142,342,535.53

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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.