Home / 154,257,968.52-231,388,308.72-39,242,632.50

Finding the Fourth Proportional to 154,257,968.52, 231,388,308.72 and 39,242,632.50

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Solution

The fourth proportional to 154,257,968.52, 231,388,308.72 and 39,242,632.50 is: 58,864,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,257,968.52 : 231,388,308.72 = 39,242,632.50 : x
  2. Step 2: Convert to fraction form
    154,257,968.52/231,388,308.72 = 39,242,632.50/x
  3. Step 3: Cross multiply
    154,257,968.52x = 231,388,308.72 × 39,242,632.50
  4. Step 4: Simplify right side
    154,257,968.52x = 9,080,286,363,895,506
  5. Step 5: Solve for x
    x = 9,080,286,363,895,506/154,257,968.52
  6. Step 6: Final answer
    x = 58,864,293.70

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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.