Home / 186,458,513.85-257,231,119.73-177,813,740.25

Finding the Fourth Proportional to 186,458,513.85, 257,231,119.73 and 177,813,740.25

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Solution

The fourth proportional to 186,458,513.85, 257,231,119.73 and 177,813,740.25 is: 245,305,116.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,458,513.85 : 257,231,119.73 = 177,813,740.25 : x
  2. Step 2: Convert to fraction form
    186,458,513.85/257,231,119.73 = 177,813,740.25/x
  3. Step 3: Cross multiply
    186,458,513.85x = 257,231,119.73 × 177,813,740.25
  4. Step 4: Simplify right side
    186,458,513.85x = 45,739,227,506,997,800
  5. Step 5: Solve for x
    x = 45,739,227,506,997,800/186,458,513.85
  6. Step 6: Final answer
    x = 245,305,116.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.