Home / 88,579,401.60-132,869,102.40-80,501,498.40

Finding the Fourth Proportional to 88,579,401.60, 132,869,102.40 and 80,501,498.40

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Solution

The fourth proportional to 88,579,401.60, 132,869,102.40 and 80,501,498.40 is: 120,752,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,579,401.60 : 132,869,102.40 = 80,501,498.40 : x
  2. Step 2: Convert to fraction form
    88,579,401.60/132,869,102.40 = 80,501,498.40/x
  3. Step 3: Cross multiply
    88,579,401.60x = 132,869,102.40 × 80,501,498.40
  4. Step 4: Simplify right side
    88,579,401.60x = 10,696,161,834,263,038
  5. Step 5: Solve for x
    x = 10,696,161,834,263,038/88,579,401.60
  6. Step 6: Final answer
    x = 120,752,247.60

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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.