Home / 85,553,771.62-118,070,546.20-47,880,710.86

Finding the Fourth Proportional to 85,553,771.62, 118,070,546.20 and 47,880,710.86

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Solution

The fourth proportional to 85,553,771.62, 118,070,546.20 and 47,880,710.86 is: 66,078,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,553,771.62 : 118,070,546.20 = 47,880,710.86 : x
  2. Step 2: Convert to fraction form
    85,553,771.62/118,070,546.20 = 47,880,710.86/x
  3. Step 3: Cross multiply
    85,553,771.62x = 118,070,546.20 × 47,880,710.86
  4. Step 4: Simplify right side
    85,553,771.62x = 5,653,301,683,684,472
  5. Step 5: Solve for x
    x = 5,653,301,683,684,472/85,553,771.62
  6. Step 6: Final answer
    x = 66,078,929.97

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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.