Home / 278,028,586.31-417,110,304.67-83,928,407.00

Finding the Fourth Proportional to 278,028,586.31, 417,110,304.67 and 83,928,407.00

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Solution

The fourth proportional to 278,028,586.31, 417,110,304.67 and 83,928,407.00 is: 125,912,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,028,586.31 : 417,110,304.67 = 83,928,407.00 : x
  2. Step 2: Convert to fraction form
    278,028,586.31/417,110,304.67 = 83,928,407.00/x
  3. Step 3: Cross multiply
    278,028,586.31x = 417,110,304.67 × 83,928,407.00
  4. Step 4: Simplify right side
    278,028,586.31x = 35,007,403,411,942,392
  5. Step 5: Solve for x
    x = 35,007,403,411,942,392/278,028,586.31
  6. Step 6: Final answer
    x = 125,912,964.12

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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.