Home / 186,502,990.93-257,369,618.77-102,869,325.43

Finding the Fourth Proportional to 186,502,990.93, 257,369,618.77 and 102,869,325.43

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Solution

The fourth proportional to 186,502,990.93, 257,369,618.77 and 102,869,325.43 is: 141,957,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,502,990.93 : 257,369,618.77 = 102,869,325.43 : x
  2. Step 2: Convert to fraction form
    186,502,990.93/257,369,618.77 = 102,869,325.43/x
  3. Step 3: Cross multiply
    186,502,990.93x = 257,369,618.77 × 102,869,325.43
  4. Step 4: Simplify right side
    186,502,990.93x = 26,475,439,068,145,568
  5. Step 5: Solve for x
    x = 26,475,439,068,145,568/186,502,990.93
  6. Step 6: Final answer
    x = 141,957,182.22

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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.