Home / 181,768,015.20-272,652,022.80-105,051,554.40

Finding the Fourth Proportional to 181,768,015.20, 272,652,022.80 and 105,051,554.40

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Solution

The fourth proportional to 181,768,015.20, 272,652,022.80 and 105,051,554.40 is: 157,577,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,768,015.20 : 272,652,022.80 = 105,051,554.40 : x
  2. Step 2: Convert to fraction form
    181,768,015.20/272,652,022.80 = 105,051,554.40/x
  3. Step 3: Cross multiply
    181,768,015.20x = 272,652,022.80 × 105,051,554.40
  4. Step 4: Simplify right side
    181,768,015.20x = 28,642,518,805,444,244
  5. Step 5: Solve for x
    x = 28,642,518,805,444,244/181,768,015.20
  6. Step 6: Final answer
    x = 157,577,331.60

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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.