Home / 87,216,401.80-130,824,602.70-60,006,622.60

Finding the Fourth Proportional to 87,216,401.80, 130,824,602.70 and 60,006,622.60

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Solution

The fourth proportional to 87,216,401.80, 130,824,602.70 and 60,006,622.60 is: 90,009,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,216,401.80 : 130,824,602.70 = 60,006,622.60 : x
  2. Step 2: Convert to fraction form
    87,216,401.80/130,824,602.70 = 60,006,622.60/x
  3. Step 3: Cross multiply
    87,216,401.80x = 130,824,602.70 × 60,006,622.60
  4. Step 4: Simplify right side
    87,216,401.80x = 7,850,342,561,013,841
  5. Step 5: Solve for x
    x = 7,850,342,561,013,841/87,216,401.80
  6. Step 6: Final answer
    x = 90,009,933.90

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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.