Home / 127,890,361.84-176,488,574.96-69,152,886.33

Finding the Fourth Proportional to 127,890,361.84, 176,488,574.96 and 69,152,886.33

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Solution

The fourth proportional to 127,890,361.84, 176,488,574.96 and 69,152,886.33 is: 95,430,915.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,890,361.84 : 176,488,574.96 = 69,152,886.33 : x
  2. Step 2: Convert to fraction form
    127,890,361.84/176,488,574.96 = 69,152,886.33/x
  3. Step 3: Cross multiply
    127,890,361.84x = 176,488,574.96 × 69,152,886.33
  4. Step 4: Simplify right side
    127,890,361.84x = 12,204,694,362,752,564
  5. Step 5: Solve for x
    x = 12,204,694,362,752,564/127,890,361.84
  6. Step 6: Final answer
    x = 95,430,915.88

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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.