Home / 186,776,173.31-257,748,428.61-103,147,842.47

Finding the Fourth Proportional to 186,776,173.31, 257,748,428.61 and 103,147,842.47

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Solution

The fourth proportional to 186,776,173.31, 257,748,428.61 and 103,147,842.47 is: 142,342,536.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,776,173.31 : 257,748,428.61 = 103,147,842.47 : x
  2. Step 2: Convert to fraction form
    186,776,173.31/257,748,428.61 = 103,147,842.47/x
  3. Step 3: Cross multiply
    186,776,173.31x = 257,748,428.61 × 103,147,842.47
  4. Step 4: Simplify right side
    186,776,173.31x = 26,586,194,309,865,580
  5. Step 5: Solve for x
    x = 26,586,194,309,865,580/186,776,173.31
  6. Step 6: Final answer
    x = 142,342,536.73

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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.