Home / 256,956,860.40-354,590,252.15-145,470,827.49

Finding the Fourth Proportional to 256,956,860.40, 354,590,252.15 and 145,470,827.49

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Solution

The fourth proportional to 256,956,860.40, 354,590,252.15 and 145,470,827.49 is: 200,743,958.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,956,860.40 : 354,590,252.15 = 145,470,827.49 : x
  2. Step 2: Convert to fraction form
    256,956,860.40/354,590,252.15 = 145,470,827.49/x
  3. Step 3: Cross multiply
    256,956,860.40x = 354,590,252.15 × 145,470,827.49
  4. Step 4: Simplify right side
    256,956,860.40x = 51,582,537,400,148,248
  5. Step 5: Solve for x
    x = 51,582,537,400,148,248/256,956,860.40
  6. Step 6: Final answer
    x = 200,743,958.81

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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.