Home / 186,776,179.82-257,748,437.58-103,147,848.98

Finding the Fourth Proportional to 186,776,179.82, 257,748,437.58 and 103,147,848.98

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Solution

The fourth proportional to 186,776,179.82, 257,748,437.58 and 103,147,848.98 is: 142,342,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,776,179.82 : 257,748,437.58 = 103,147,848.98 : x
  2. Step 2: Convert to fraction form
    186,776,179.82/257,748,437.58 = 103,147,848.98/x
  3. Step 3: Cross multiply
    186,776,179.82x = 257,748,437.58 × 103,147,848.98
  4. Step 4: Simplify right side
    186,776,179.82x = 26,586,196,914,332,800
  5. Step 5: Solve for x
    x = 26,586,196,914,332,800/186,776,179.82
  6. Step 6: Final answer
    x = 142,342,545.71

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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.