Home / 186,820,630.72-257,810,931.12-102,047,819.68

Finding the Fourth Proportional to 186,820,630.72, 257,810,931.12 and 102,047,819.68

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Solution

The fourth proportional to 186,820,630.72, 257,810,931.12 and 102,047,819.68 is: 140,825,150.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,820,630.72 : 257,810,931.12 = 102,047,819.68 : x
  2. Step 2: Convert to fraction form
    186,820,630.72/257,810,931.12 = 102,047,819.68/x
  3. Step 3: Cross multiply
    186,820,630.72x = 257,810,931.12 × 102,047,819.68
  4. Step 4: Simplify right side
    186,820,630.72x = 26,309,043,410,466,664
  5. Step 5: Solve for x
    x = 26,309,043,410,466,664/186,820,630.72
  6. Step 6: Final answer
    x = 140,825,150.35

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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.