Home / 251,366,770.80-377,064,318.39-76,495,491.92

Finding the Fourth Proportional to 251,366,770.80, 377,064,318.39 and 76,495,491.92

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Solution

The fourth proportional to 251,366,770.80, 377,064,318.39 and 76,495,491.92 is: 114,747,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,366,770.80 : 377,064,318.39 = 76,495,491.92 : x
  2. Step 2: Convert to fraction form
    251,366,770.80/377,064,318.39 = 76,495,491.92/x
  3. Step 3: Cross multiply
    251,366,770.80x = 377,064,318.39 × 76,495,491.92
  4. Step 4: Simplify right side
    251,366,770.80x = 28,843,720,518,837,232
  5. Step 5: Solve for x
    x = 28,843,720,518,837,232/251,366,770.80
  6. Step 6: Final answer
    x = 114,747,547.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.