Home / 257,139,965.88-354,847,117.41-151,300,236.35

Finding the Fourth Proportional to 257,139,965.88, 354,847,117.41 and 151,300,236.35

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Solution

The fourth proportional to 257,139,965.88, 354,847,117.41 and 151,300,236.35 is: 208,790,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,139,965.88 : 354,847,117.41 = 151,300,236.35 : x
  2. Step 2: Convert to fraction form
    257,139,965.88/354,847,117.41 = 151,300,236.35/x
  3. Step 3: Cross multiply
    257,139,965.88x = 354,847,117.41 × 151,300,236.35
  4. Step 4: Simplify right side
    257,139,965.88x = 53,688,452,733,136,320
  5. Step 5: Solve for x
    x = 53,688,452,733,136,320/257,139,965.88
  6. Step 6: Final answer
    x = 208,790,774.90

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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.