Home / 181,768,909.20-272,653,363.80-105,052,448.40

Finding the Fourth Proportional to 181,768,909.20, 272,653,363.80 and 105,052,448.40

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Solution

The fourth proportional to 181,768,909.20, 272,653,363.80 and 105,052,448.40 is: 157,578,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,768,909.20 : 272,653,363.80 = 105,052,448.40 : x
  2. Step 2: Convert to fraction form
    181,768,909.20/272,653,363.80 = 105,052,448.40/x
  3. Step 3: Cross multiply
    181,768,909.20x = 272,653,363.80 × 105,052,448.40
  4. Step 4: Simplify right side
    181,768,909.20x = 28,642,903,431,685,932
  5. Step 5: Solve for x
    x = 28,642,903,431,685,932/181,768,909.20
  6. Step 6: Final answer
    x = 157,578,672.60

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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.