Home / 186,842,840.44-257,838,124.29-103,209,171.04

Finding the Fourth Proportional to 186,842,840.44, 257,838,124.29 and 103,209,171.04

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Solution

The fourth proportional to 186,842,840.44, 257,838,124.29 and 103,209,171.04 is: 142,425,896.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,842,840.44 : 257,838,124.29 = 103,209,171.04 : x
  2. Step 2: Convert to fraction form
    186,842,840.44/257,838,124.29 = 103,209,171.04/x
  3. Step 3: Cross multiply
    186,842,840.44x = 257,838,124.29 × 103,209,171.04
  4. Step 4: Simplify right side
    186,842,840.44x = 26,611,259,069,190,196
  5. Step 5: Solve for x
    x = 26,611,259,069,190,196/186,842,840.44
  6. Step 6: Final answer
    x = 142,425,896.58

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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.