Home / 56,167,276.90-84,250,915.35-45,963,609.70

Finding the Fourth Proportional to 56,167,276.90, 84,250,915.35 and 45,963,609.70

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Solution

The fourth proportional to 56,167,276.90, 84,250,915.35 and 45,963,609.70 is: 68,945,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,167,276.90 : 84,250,915.35 = 45,963,609.70 : x
  2. Step 2: Convert to fraction form
    56,167,276.90/84,250,915.35 = 45,963,609.70/x
  3. Step 3: Cross multiply
    56,167,276.90x = 84,250,915.35 × 45,963,609.70
  4. Step 4: Simplify right side
    56,167,276.90x = 3,872,476,190,015,139
  5. Step 5: Solve for x
    x = 3,872,476,190,015,139/56,167,276.90
  6. Step 6: Final answer
    x = 68,945,414.55

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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.