Home / 185,617,881.96-256,152,543.78-103,119,383.40

Finding the Fourth Proportional to 185,617,881.96, 256,152,543.78 and 103,119,383.40

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Solution

The fourth proportional to 185,617,881.96, 256,152,543.78 and 103,119,383.40 is: 142,304,675.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,617,881.96 : 256,152,543.78 = 103,119,383.40 : x
  2. Step 2: Convert to fraction form
    185,617,881.96/256,152,543.78 = 103,119,383.40/x
  3. Step 3: Cross multiply
    185,617,881.96x = 256,152,543.78 × 103,119,383.40
  4. Step 4: Simplify right side
    185,617,881.96x = 26,414,292,370,935,108
  5. Step 5: Solve for x
    x = 26,414,292,370,935,108/185,617,881.96
  6. Step 6: Final answer
    x = 142,304,675.02

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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.