Home / 114,913,437.30-172,369,020.02-52,647,089.61

Finding the Fourth Proportional to 114,913,437.30, 172,369,020.02 and 52,647,089.61

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Solution

The fourth proportional to 114,913,437.30, 172,369,020.02 and 52,647,089.61 is: 78,970,113.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,913,437.30 : 172,369,020.02 = 52,647,089.61 : x
  2. Step 2: Convert to fraction form
    114,913,437.30/172,369,020.02 = 52,647,089.61/x
  3. Step 3: Cross multiply
    114,913,437.30x = 172,369,020.02 × 52,647,089.61
  4. Step 4: Simplify right side
    114,913,437.30x = 9,074,727,242,980,824
  5. Step 5: Solve for x
    x = 9,074,727,242,980,824/114,913,437.30
  6. Step 6: Final answer
    x = 78,970,113.99

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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.