Home / 256,071,913.52-353,341,628.12-143,027,475.98

Finding the Fourth Proportional to 256,071,913.52, 353,341,628.12 and 143,027,475.98

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Solution

The fourth proportional to 256,071,913.52, 353,341,628.12 and 143,027,475.98 is: 197,356,908.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,071,913.52 : 353,341,628.12 = 143,027,475.98 : x
  2. Step 2: Convert to fraction form
    256,071,913.52/353,341,628.12 = 143,027,475.98/x
  3. Step 3: Cross multiply
    256,071,913.52x = 353,341,628.12 × 143,027,475.98
  4. Step 4: Simplify right side
    256,071,913.52x = 50,537,561,227,258,248
  5. Step 5: Solve for x
    x = 50,537,561,227,258,248/256,071,913.52
  6. Step 6: Final answer
    x = 197,356,908.59

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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.