Home / 235,264,857.65-324,663,711.80-129,415,999.52

Finding the Fourth Proportional to 235,264,857.65, 324,663,711.80 and 129,415,999.52

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Solution

The fourth proportional to 235,264,857.65, 324,663,711.80 and 129,415,999.52 is: 178,593,093.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,264,857.65 : 324,663,711.80 = 129,415,999.52 : x
  2. Step 2: Convert to fraction form
    235,264,857.65/324,663,711.80 = 129,415,999.52/x
  3. Step 3: Cross multiply
    235,264,857.65x = 324,663,711.80 × 129,415,999.52
  4. Step 4: Simplify right side
    235,264,857.65x = 42,016,678,771,605,416
  5. Step 5: Solve for x
    x = 42,016,678,771,605,416/235,264,857.65
  6. Step 6: Final answer
    x = 178,593,093.73

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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.