Home / 172,037,541.80-257,757,714.30-161,287,999.40

Finding the Fourth Proportional to 172,037,541.80, 257,757,714.30 and 161,287,999.40

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Solution

The fourth proportional to 172,037,541.80, 257,757,714.30 and 161,287,999.40 is: 241,652,058.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,037,541.80 : 257,757,714.30 = 161,287,999.40 : x
  2. Step 2: Convert to fraction form
    172,037,541.80/257,757,714.30 = 161,287,999.40/x
  3. Step 3: Cross multiply
    172,037,541.80x = 257,757,714.30 × 161,287,999.40
  4. Step 4: Simplify right side
    172,037,541.80x = 41,573,226,069,363,776
  5. Step 5: Solve for x
    x = 41,573,226,069,363,776/172,037,541.80
  6. Step 6: Final answer
    x = 241,652,058.23

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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.