Home / 186,670,681.80-280,006,022.70-125,289,246.30

Finding the Fourth Proportional to 186,670,681.80, 280,006,022.70 and 125,289,246.30

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Solution

The fourth proportional to 186,670,681.80, 280,006,022.70 and 125,289,246.30 is: 187,933,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,670,681.80 : 280,006,022.70 = 125,289,246.30 : x
  2. Step 2: Convert to fraction form
    186,670,681.80/280,006,022.70 = 125,289,246.30/x
  3. Step 3: Cross multiply
    186,670,681.80x = 280,006,022.70 × 125,289,246.30
  4. Step 4: Simplify right side
    186,670,681.80x = 35,081,743,543,543,688
  5. Step 5: Solve for x
    x = 35,081,743,543,543,688/186,670,681.80
  6. Step 6: Final answer
    x = 187,933,869.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.