Home / 257,111,182.77-354,835,314.50-145,621,856.63

Finding the Fourth Proportional to 257,111,182.77, 354,835,314.50 and 145,621,856.63

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Solution

The fourth proportional to 257,111,182.77, 354,835,314.50 and 145,621,856.63 is: 200,970,555.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,111,182.77 : 354,835,314.50 = 145,621,856.63 : x
  2. Step 2: Convert to fraction form
    257,111,182.77/354,835,314.50 = 145,621,856.63/x
  3. Step 3: Cross multiply
    257,111,182.77x = 354,835,314.50 × 145,621,856.63
  4. Step 4: Simplify right side
    257,111,182.77x = 51,671,777,292,877,672
  5. Step 5: Solve for x
    x = 51,671,777,292,877,672/257,111,182.77
  6. Step 6: Final answer
    x = 200,970,555.76

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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.