Home / 65,367,867.40-97,874,853.90-51,212,091.40

Finding the Fourth Proportional to 65,367,867.40, 97,874,853.90 and 51,212,091.40

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Solution

The fourth proportional to 65,367,867.40, 97,874,853.90 and 51,212,091.40 is: 76,679,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,367,867.40 : 97,874,853.90 = 51,212,091.40 : x
  2. Step 2: Convert to fraction form
    65,367,867.40/97,874,853.90 = 51,212,091.40/x
  3. Step 3: Cross multiply
    65,367,867.40x = 97,874,853.90 × 51,212,091.40
  4. Step 4: Simplify right side
    65,367,867.40x = 5,012,375,963,688,447
  5. Step 5: Solve for x
    x = 5,012,375,963,688,447/65,367,867.40
  6. Step 6: Final answer
    x = 76,679,508.80

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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.