Home / 235,482,281.46-324,959,813.15-129,634,836.48

Finding the Fourth Proportional to 235,482,281.46, 324,959,813.15 and 129,634,836.48

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Solution

The fourth proportional to 235,482,281.46, 324,959,813.15 and 129,634,836.48 is: 178,892,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,482,281.46 : 324,959,813.15 = 129,634,836.48 : x
  2. Step 2: Convert to fraction form
    235,482,281.46/324,959,813.15 = 129,634,836.48/x
  3. Step 3: Cross multiply
    235,482,281.46x = 324,959,813.15 × 129,634,836.48
  4. Step 4: Simplify right side
    235,482,281.46x = 42,126,112,239,623,432
  5. Step 5: Solve for x
    x = 42,126,112,239,623,432/235,482,281.46
  6. Step 6: Final answer
    x = 178,892,917.03

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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.