Home / 102,630,902.40-141,576,949.36-63,460,157.76

Finding the Fourth Proportional to 102,630,902.40, 141,576,949.36 and 63,460,157.76

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Solution

The fourth proportional to 102,630,902.40, 141,576,949.36 and 63,460,157.76 is: 87,541,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,630,902.40 : 141,576,949.36 = 63,460,157.76 : x
  2. Step 2: Convert to fraction form
    102,630,902.40/141,576,949.36 = 63,460,157.76/x
  3. Step 3: Cross multiply
    102,630,902.40x = 141,576,949.36 × 63,460,157.76
  4. Step 4: Simplify right side
    102,630,902.40x = 8,984,495,541,565,132
  5. Step 5: Solve for x
    x = 8,984,495,541,565,132/102,630,902.40
  6. Step 6: Final answer
    x = 87,541,815.69

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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.