Home / 235,482,291.59-324,959,827.32-129,634,846.61

Finding the Fourth Proportional to 235,482,291.59, 324,959,827.32 and 129,634,846.61

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Solution

The fourth proportional to 235,482,291.59, 324,959,827.32 and 129,634,846.61 is: 178,892,931.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,482,291.59 : 324,959,827.32 = 129,634,846.61 : x
  2. Step 2: Convert to fraction form
    235,482,291.59/324,959,827.32 = 129,634,846.61/x
  3. Step 3: Cross multiply
    235,482,291.59x = 324,959,827.32 × 129,634,846.61
  4. Step 4: Simplify right side
    235,482,291.59x = 42,126,117,367,415,488
  5. Step 5: Solve for x
    x = 42,126,117,367,415,488/235,482,291.59
  6. Step 6: Final answer
    x = 178,892,931.12

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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.