Home / 235,264,857.90-324,663,712.15-129,415,999.77

Finding the Fourth Proportional to 235,264,857.90, 324,663,712.15 and 129,415,999.77

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Solution

The fourth proportional to 235,264,857.90, 324,663,712.15 and 129,415,999.77 is: 178,593,094.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,264,857.90 : 324,663,712.15 = 129,415,999.77 : x
  2. Step 2: Convert to fraction form
    235,264,857.90/324,663,712.15 = 129,415,999.77/x
  3. Step 3: Cross multiply
    235,264,857.90x = 324,663,712.15 × 129,415,999.77
  4. Step 4: Simplify right side
    235,264,857.90x = 42,016,678,897,419,864
  5. Step 5: Solve for x
    x = 42,016,678,897,419,864/235,264,857.90
  6. Step 6: Final answer
    x = 178,593,094.07

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1.5x scale

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.