Home / 154,411,566.30-231,617,349.45-52,174,127.70

Finding the Fourth Proportional to 154,411,566.30, 231,617,349.45 and 52,174,127.70

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Solution

The fourth proportional to 154,411,566.30, 231,617,349.45 and 52,174,127.70 is: 78,261,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,411,566.30 : 231,617,349.45 = 52,174,127.70 : x
  2. Step 2: Convert to fraction form
    154,411,566.30/231,617,349.45 = 52,174,127.70/x
  3. Step 3: Cross multiply
    154,411,566.30x = 231,617,349.45 × 52,174,127.70
  4. Step 4: Simplify right side
    154,411,566.30x = 12,084,433,167,739,824
  5. Step 5: Solve for x
    x = 12,084,433,167,739,824/154,411,566.30
  6. Step 6: Final answer
    x = 78,261,191.55

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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.