Home / 136,201,641,248.64-187,954,494,936.96-75,232,915,743.36

Finding the Fourth Proportional to 136,201,641,248.64, 187,954,494,936.96 and 75,232,915,743.36

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Solution

The fourth proportional to 136,201,641,248.64, 187,954,494,936.96 and 75,232,915,743.36 is: 103,819,341,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,201,641,248.64 : 187,954,494,936.96 = 75,232,915,743.36 : x
  2. Step 2: Convert to fraction form
    136,201,641,248.64/187,954,494,936.96 = 75,232,915,743.36/x
  3. Step 3: Cross multiply
    136,201,641,248.64x = 187,954,494,936.96 × 75,232,915,743.36
  4. Step 4: Simplify right side
    136,201,641,248.64x = 14,140,364,681,178,093,977,600
  5. Step 5: Solve for x
    x = 14,140,364,681,178,093,977,600/136,201,641,248.64
  6. Step 6: Final answer
    x = 103,819,341,320.30

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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.