Home / 253,348,150.55-380,079,528.51-136,761,004.06

Finding the Fourth Proportional to 253,348,150.55, 380,079,528.51 and 136,761,004.06

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Solution

The fourth proportional to 253,348,150.55, 380,079,528.51 and 136,761,004.06 is: 205,172,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,348,150.55 : 380,079,528.51 = 136,761,004.06 : x
  2. Step 2: Convert to fraction form
    253,348,150.55/380,079,528.51 = 136,761,004.06/x
  3. Step 3: Cross multiply
    253,348,150.55x = 380,079,528.51 × 136,761,004.06
  4. Step 4: Simplify right side
    253,348,150.55x = 51,980,057,941,241,656
  5. Step 5: Solve for x
    x = 51,980,057,941,241,656/253,348,150.55
  6. Step 6: Final answer
    x = 205,172,438.91

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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.