Home / 171,620,470.10-257,430,705.15-157,511,695.70

Finding the Fourth Proportional to 171,620,470.10, 257,430,705.15 and 157,511,695.70

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Solution

The fourth proportional to 171,620,470.10, 257,430,705.15 and 157,511,695.70 is: 236,267,543.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,620,470.10 : 257,430,705.15 = 157,511,695.70 : x
  2. Step 2: Convert to fraction form
    171,620,470.10/257,430,705.15 = 157,511,695.70/x
  3. Step 3: Cross multiply
    171,620,470.10x = 257,430,705.15 × 157,511,695.70
  4. Step 4: Simplify right side
    171,620,470.10x = 40,548,346,893,423,224
  5. Step 5: Solve for x
    x = 40,548,346,893,423,224/171,620,470.10
  6. Step 6: Final answer
    x = 236,267,543.55

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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.