Home / 257,935,343.76-355,950,796.68-140,460,638.76

Finding the Fourth Proportional to 257,935,343.76, 355,950,796.68 and 140,460,638.76

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Solution

The fourth proportional to 257,935,343.76, 355,950,796.68 and 140,460,638.76 is: 193,835,693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,935,343.76 : 355,950,796.68 = 140,460,638.76 : x
  2. Step 2: Convert to fraction form
    257,935,343.76/355,950,796.68 = 140,460,638.76/x
  3. Step 3: Cross multiply
    257,935,343.76x = 355,950,796.68 × 140,460,638.76
  4. Step 4: Simplify right side
    257,935,343.76x = 49,997,076,268,803,688
  5. Step 5: Solve for x
    x = 49,997,076,268,803,688/257,935,343.76
  6. Step 6: Final answer
    x = 193,835,693.63

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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.