Home / 261,649,373.58-361,091,989.98-144,174,561.66

Finding the Fourth Proportional to 261,649,373.58, 361,091,989.98 and 144,174,561.66

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Solution

The fourth proportional to 261,649,373.58, 361,091,989.98 and 144,174,561.66 is: 198,969,631.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,649,373.58 : 361,091,989.98 = 144,174,561.66 : x
  2. Step 2: Convert to fraction form
    261,649,373.58/361,091,989.98 = 144,174,561.66/x
  3. Step 3: Cross multiply
    261,649,373.58x = 361,091,989.98 × 144,174,561.66
  4. Step 4: Simplify right side
    261,649,373.58x = 52,060,279,374,303,616
  5. Step 5: Solve for x
    x = 52,060,279,374,303,616/261,649,373.58
  6. Step 6: Final answer
    x = 198,969,631.24

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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.