Home / 158,142,069.30-237,366,121.50-76,318,548.06

Finding the Fourth Proportional to 158,142,069.30, 237,366,121.50 and 76,318,548.06

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Solution

The fourth proportional to 158,142,069.30, 237,366,121.50 and 76,318,548.06 is: 114,551,667.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,142,069.30 : 237,366,121.50 = 76,318,548.06 : x
  2. Step 2: Convert to fraction form
    158,142,069.30/237,366,121.50 = 76,318,548.06/x
  3. Step 3: Cross multiply
    158,142,069.30x = 237,366,121.50 × 76,318,548.06
  4. Step 4: Simplify right side
    158,142,069.30x = 18,115,437,751,513,548
  5. Step 5: Solve for x
    x = 18,115,437,751,513,548/158,142,069.30
  6. Step 6: Final answer
    x = 114,551,667.57

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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.