Home / 181,993,145.10-272,989,717.65-172,666,355.55

Finding the Fourth Proportional to 181,993,145.10, 272,989,717.65 and 172,666,355.55

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Solution

The fourth proportional to 181,993,145.10, 272,989,717.65 and 172,666,355.55 is: 258,999,533.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,993,145.10 : 272,989,717.65 = 172,666,355.55 : x
  2. Step 2: Convert to fraction form
    181,993,145.10/272,989,717.65 = 172,666,355.55/x
  3. Step 3: Cross multiply
    181,993,145.10x = 272,989,717.65 × 172,666,355.55
  4. Step 4: Simplify right side
    181,993,145.10x = 47,136,139,649,249,008
  5. Step 5: Solve for x
    x = 47,136,139,649,249,008/181,993,145.10
  6. Step 6: Final answer
    x = 258,999,533.33

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1.5x scale

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.