Home / 121,254,376.55-181,878,938.76-33,813,560.42

Finding the Fourth Proportional to 121,254,376.55, 181,878,938.76 and 33,813,560.42

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Solution

The fourth proportional to 121,254,376.55, 181,878,938.76 and 33,813,560.42 is: 50,719,608.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,254,376.55 : 181,878,938.76 = 33,813,560.42 : x
  2. Step 2: Convert to fraction form
    121,254,376.55/181,878,938.76 = 33,813,560.42/x
  3. Step 3: Cross multiply
    121,254,376.55x = 181,878,938.76 × 33,813,560.42
  4. Step 4: Simplify right side
    121,254,376.55x = 6,149,974,484,886,740
  5. Step 5: Solve for x
    x = 6,149,974,484,886,740/121,254,376.55
  6. Step 6: Final answer
    x = 50,719,608.31

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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.