Home / 154,257,970.77-231,388,312.10-39,242,634.75

Finding the Fourth Proportional to 154,257,970.77, 231,388,312.10 and 39,242,634.75

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Solution

The fourth proportional to 154,257,970.77, 231,388,312.10 and 39,242,634.75 is: 58,864,297.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,257,970.77 : 231,388,312.10 = 39,242,634.75 : x
  2. Step 2: Convert to fraction form
    154,257,970.77/231,388,312.10 = 39,242,634.75/x
  3. Step 3: Cross multiply
    154,257,970.77x = 231,388,312.10 × 39,242,634.75
  4. Step 4: Simplify right side
    154,257,970.77x = 9,080,287,016,963,092
  5. Step 5: Solve for x
    x = 9,080,287,016,963,092/154,257,970.77
  6. Step 6: Final answer
    x = 58,864,297.07

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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.