Home / 87,368,569.60-131,241,811.20-61,859,401.60

Finding the Fourth Proportional to 87,368,569.60, 131,241,811.20 and 61,859,401.60

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Solution

The fourth proportional to 87,368,569.60, 131,241,811.20 and 61,859,401.60 is: 92,922,889.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,368,569.60 : 131,241,811.20 = 61,859,401.60 : x
  2. Step 2: Convert to fraction form
    87,368,569.60/131,241,811.20 = 61,859,401.60/x
  3. Step 3: Cross multiply
    87,368,569.60x = 131,241,811.20 × 61,859,401.60
  4. Step 4: Simplify right side
    87,368,569.60x = 8,118,539,905,732,178
  5. Step 5: Solve for x
    x = 8,118,539,905,732,178/87,368,569.60
  6. Step 6: Final answer
    x = 92,922,889.12

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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.