Home / 121,254,421.71-181,879,006.50-33,813,605.60

Finding the Fourth Proportional to 121,254,421.71, 181,879,006.50 and 33,813,605.60

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Solution

The fourth proportional to 121,254,421.71, 181,879,006.50 and 33,813,605.60 is: 50,719,676.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,254,421.71 : 181,879,006.50 = 33,813,605.60 : x
  2. Step 2: Convert to fraction form
    121,254,421.71/181,879,006.50 = 33,813,605.60/x
  3. Step 3: Cross multiply
    121,254,421.71x = 181,879,006.50 × 33,813,605.60
  4. Step 4: Simplify right side
    121,254,421.71x = 6,149,984,991,801,441
  5. Step 5: Solve for x
    x = 6,149,984,991,801,441/121,254,421.71
  6. Step 6: Final answer
    x = 50,719,676.08

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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.