Home / 185,186,849.71-277,723,543.78-128,046,313.39

Finding the Fourth Proportional to 185,186,849.71, 277,723,543.78 and 128,046,313.39

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Solution

The fourth proportional to 185,186,849.71, 277,723,543.78 and 128,046,313.39 is: 192,030,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,186,849.71 : 277,723,543.78 = 128,046,313.39 : x
  2. Step 2: Convert to fraction form
    185,186,849.71/277,723,543.78 = 128,046,313.39/x
  3. Step 3: Cross multiply
    185,186,849.71x = 277,723,543.78 × 128,046,313.39
  4. Step 4: Simplify right side
    185,186,849.71x = 35,561,475,922,635,260
  5. Step 5: Solve for x
    x = 35,561,475,922,635,260/185,186,849.71
  6. Step 6: Final answer
    x = 192,030,243.93

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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.