Home / 186,376,278.06-257,200,043.04-102,742,572.78

Finding the Fourth Proportional to 186,376,278.06, 257,200,043.04 and 102,742,572.78

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Solution

The fourth proportional to 186,376,278.06, 257,200,043.04 and 102,742,572.78 is: 141,785,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,376,278.06 : 257,200,043.04 = 102,742,572.78 : x
  2. Step 2: Convert to fraction form
    186,376,278.06/257,200,043.04 = 102,742,572.78/x
  3. Step 3: Cross multiply
    186,376,278.06x = 257,200,043.04 × 102,742,572.78
  4. Step 4: Simplify right side
    186,376,278.06x = 26,425,394,141,056,332
  5. Step 5: Solve for x
    x = 26,425,394,141,056,332/186,376,278.06
  6. Step 6: Final answer
    x = 141,785,180.05

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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.