Home / 186,320,982.61-257,122,179.03-102,688,913.62

Finding the Fourth Proportional to 186,320,982.61, 257,122,179.03 and 102,688,913.62

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Solution

The fourth proportional to 186,320,982.61, 257,122,179.03 and 102,688,913.62 is: 141,710,272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,320,982.61 : 257,122,179.03 = 102,688,913.62 : x
  2. Step 2: Convert to fraction form
    186,320,982.61/257,122,179.03 = 102,688,913.62/x
  3. Step 3: Cross multiply
    186,320,982.61x = 257,122,179.03 × 102,688,913.62
  4. Step 4: Simplify right side
    186,320,982.61x = 26,403,597,231,684,404
  5. Step 5: Solve for x
    x = 26,403,597,231,684,404/186,320,982.61
  6. Step 6: Final answer
    x = 141,710,272.57

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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.