Home / 102,910,236.64-142,009,763.88-56,500,230.40

Finding the Fourth Proportional to 102,910,236.64, 142,009,763.88 and 56,500,230.40

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Solution

The fourth proportional to 102,910,236.64, 142,009,763.88 and 56,500,230.40 is: 77,966,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,910,236.64 : 142,009,763.88 = 56,500,230.40 : x
  2. Step 2: Convert to fraction form
    102,910,236.64/142,009,763.88 = 56,500,230.40/x
  3. Step 3: Cross multiply
    102,910,236.64x = 142,009,763.88 × 56,500,230.40
  4. Step 4: Simplify right side
    102,910,236.64x = 8,023,584,378,269,597
  5. Step 5: Solve for x
    x = 8,023,584,378,269,597/102,910,236.64
  6. Step 6: Final answer
    x = 77,966,824.68

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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.