Home / 186,351,929.47-257,177,168.27-102,719,871.46

Finding the Fourth Proportional to 186,351,929.47, 257,177,168.27 and 102,719,871.46

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Solution

The fourth proportional to 186,351,929.47, 257,177,168.27 and 102,719,871.46 is: 141,759,764.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,351,929.47 : 257,177,168.27 = 102,719,871.46 : x
  2. Step 2: Convert to fraction form
    186,351,929.47/257,177,168.27 = 102,719,871.46/x
  3. Step 3: Cross multiply
    186,351,929.47x = 257,177,168.27 × 102,719,871.46
  4. Step 4: Simplify right side
    186,351,929.47x = 26,417,205,667,141,188
  5. Step 5: Solve for x
    x = 26,417,205,667,141,188/186,351,929.47
  6. Step 6: Final answer
    x = 141,759,764.67

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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.