Home / 186,657,571.43-279,999,809.24-71,642,113.76

Finding the Fourth Proportional to 186,657,571.43, 279,999,809.24 and 71,642,113.76

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Solution

The fourth proportional to 186,657,571.43, 279,999,809.24 and 71,642,113.76 is: 107,468,333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,657,571.43 : 279,999,809.24 = 71,642,113.76 : x
  2. Step 2: Convert to fraction form
    186,657,571.43/279,999,809.24 = 71,642,113.76/x
  3. Step 3: Cross multiply
    186,657,571.43x = 279,999,809.24 × 71,642,113.76
  4. Step 4: Simplify right side
    186,657,571.43x = 20,059,778,184,592,168
  5. Step 5: Solve for x
    x = 20,059,778,184,592,168/186,657,571.43
  6. Step 6: Final answer
    x = 107,468,333.76

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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.