Home / 127,890,435.84-176,488,677-69,152,960.40

Finding the Fourth Proportional to 127,890,435.84, 176,488,677 and 69,152,960.40

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Solution

The fourth proportional to 127,890,435.84, 176,488,677 and 69,152,960.40 is: 95,431,018.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,890,435.84 : 176,488,677 = 69,152,960.40 : x
  2. Step 2: Convert to fraction form
    127,890,435.84/176,488,677 = 69,152,960.40/x
  3. Step 3: Cross multiply
    127,890,435.84x = 176,488,677 × 69,152,960.40
  4. Step 4: Simplify right side
    127,890,435.84x = 12,204,714,491,629,392
  5. Step 5: Solve for x
    x = 12,204,714,491,629,392/127,890,435.84
  6. Step 6: Final answer
    x = 95,431,018.05

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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.