Home / 186,119,644.80-279,305,438.40-83,831,030.40

Finding the Fourth Proportional to 186,119,644.80, 279,305,438.40 and 83,831,030.40

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Solution

The fourth proportional to 186,119,644.80, 279,305,438.40 and 83,831,030.40 is: 125,803,284.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,119,644.80 : 279,305,438.40 = 83,831,030.40 : x
  2. Step 2: Convert to fraction form
    186,119,644.80/279,305,438.40 = 83,831,030.40/x
  3. Step 3: Cross multiply
    186,119,644.80x = 279,305,438.40 × 83,831,030.40
  4. Step 4: Simplify right side
    186,119,644.80x = 23,414,462,697,395,728
  5. Step 5: Solve for x
    x = 23,414,462,697,395,728/186,119,644.80
  6. Step 6: Final answer
    x = 125,803,284.88

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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.