Home / 186,119,645.80-279,305,439.90-83,831,031.40

Finding the Fourth Proportional to 186,119,645.80, 279,305,439.90 and 83,831,031.40

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Solution

The fourth proportional to 186,119,645.80, 279,305,439.90 and 83,831,031.40 is: 125,803,286.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,119,645.80 : 279,305,439.90 = 83,831,031.40 : x
  2. Step 2: Convert to fraction form
    186,119,645.80/279,305,439.90 = 83,831,031.40/x
  3. Step 3: Cross multiply
    186,119,645.80x = 279,305,439.90 × 83,831,031.40
  4. Step 4: Simplify right side
    186,119,645.80x = 23,414,463,102,447,712
  5. Step 5: Solve for x
    x = 23,414,463,102,447,712/186,119,645.80
  6. Step 6: Final answer
    x = 125,803,286.38

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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.