Home / 171,069,339.90-256,037,139.45-157,464,450.30

Finding the Fourth Proportional to 171,069,339.90, 256,037,139.45 and 157,464,450.30

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Solution

The fourth proportional to 171,069,339.90, 256,037,139.45 and 157,464,450.30 is: 235,674,887.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,069,339.90 : 256,037,139.45 = 157,464,450.30 : x
  2. Step 2: Convert to fraction form
    171,069,339.90/256,037,139.45 = 157,464,450.30/x
  3. Step 3: Cross multiply
    171,069,339.90x = 256,037,139.45 × 157,464,450.30
  4. Step 4: Simplify right side
    171,069,339.90x = 40,316,747,419,878,696
  5. Step 5: Solve for x
    x = 40,316,747,419,878,696/171,069,339.90
  6. Step 6: Final answer
    x = 235,674,887.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.