Home / 89,827,096.80-134,740,645.20-87,307,672.80

Finding the Fourth Proportional to 89,827,096.80, 134,740,645.20 and 87,307,672.80

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Solution

The fourth proportional to 89,827,096.80, 134,740,645.20 and 87,307,672.80 is: 130,961,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,827,096.80 : 134,740,645.20 = 87,307,672.80 : x
  2. Step 2: Convert to fraction form
    89,827,096.80/134,740,645.20 = 87,307,672.80/x
  3. Step 3: Cross multiply
    89,827,096.80x = 134,740,645.20 × 87,307,672.80
  4. Step 4: Simplify right side
    89,827,096.80x = 11,763,892,163,982,490
  5. Step 5: Solve for x
    x = 11,763,892,163,982,490/89,827,096.80
  6. Step 6: Final answer
    x = 130,961,509.20

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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.