Home / 124,927,543.32-172,399,971.42-69,923,385.24

Finding the Fourth Proportional to 124,927,543.32, 172,399,971.42 and 69,923,385.24

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Solution

The fourth proportional to 124,927,543.32, 172,399,971.42 and 69,923,385.24 is: 96,494,250.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,927,543.32 : 172,399,971.42 = 69,923,385.24 : x
  2. Step 2: Convert to fraction form
    124,927,543.32/172,399,971.42 = 69,923,385.24/x
  3. Step 3: Cross multiply
    124,927,543.32x = 172,399,971.42 × 69,923,385.24
  4. Step 4: Simplify right side
    124,927,543.32x = 12,054,789,616,965,648
  5. Step 5: Solve for x
    x = 12,054,789,616,965,648/124,927,543.32
  6. Step 6: Final answer
    x = 96,494,250.16

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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.