Home / 186,191,005.42-256,934,090.95-102,557,335.63

Finding the Fourth Proportional to 186,191,005.42, 256,934,090.95 and 102,557,335.63

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Solution

The fourth proportional to 186,191,005.42, 256,934,090.95 and 102,557,335.63 is: 141,523,892.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,191,005.42 : 256,934,090.95 = 102,557,335.63 : x
  2. Step 2: Convert to fraction form
    186,191,005.42/256,934,090.95 = 102,557,335.63/x
  3. Step 3: Cross multiply
    186,191,005.42x = 256,934,090.95 × 102,557,335.63
  4. Step 4: Simplify right side
    186,191,005.42x = 26,350,475,800,348,092
  5. Step 5: Solve for x
    x = 26,350,475,800,348,092/186,191,005.42
  6. Step 6: Final answer
    x = 141,523,892.31

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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.