Home / 186,376,280.06-257,200,045.80-102,742,574.78

Finding the Fourth Proportional to 186,376,280.06, 257,200,045.80 and 102,742,574.78

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Solution

The fourth proportional to 186,376,280.06, 257,200,045.80 and 102,742,574.78 is: 141,785,182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,376,280.06 : 257,200,045.80 = 102,742,574.78 : x
  2. Step 2: Convert to fraction form
    186,376,280.06/257,200,045.80 = 102,742,574.78/x
  3. Step 3: Cross multiply
    186,376,280.06x = 257,200,045.80 × 102,742,574.78
  4. Step 4: Simplify right side
    186,376,280.06x = 26,425,394,939,025,928
  5. Step 5: Solve for x
    x = 26,425,394,939,025,928/186,376,280.06
  6. Step 6: Final answer
    x = 141,785,182.81

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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.