Home / 181,993,148.10-272,989,722.15-172,666,358.55

Finding the Fourth Proportional to 181,993,148.10, 272,989,722.15 and 172,666,358.55

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Solution

The fourth proportional to 181,993,148.10, 272,989,722.15 and 172,666,358.55 is: 258,999,537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,993,148.10 : 272,989,722.15 = 172,666,358.55 : x
  2. Step 2: Convert to fraction form
    181,993,148.10/272,989,722.15 = 172,666,358.55/x
  3. Step 3: Cross multiply
    181,993,148.10x = 272,989,722.15 × 172,666,358.55
  4. Step 4: Simplify right side
    181,993,148.10x = 47,136,141,245,216,776
  5. Step 5: Solve for x
    x = 47,136,141,245,216,776/181,993,148.10
  6. Step 6: Final answer
    x = 258,999,537.83

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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.