Home / 168,642,015.40-252,963,023.10-139,944,201.40

Finding the Fourth Proportional to 168,642,015.40, 252,963,023.10 and 139,944,201.40

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Solution

The fourth proportional to 168,642,015.40, 252,963,023.10 and 139,944,201.40 is: 209,916,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,642,015.40 : 252,963,023.10 = 139,944,201.40 : x
  2. Step 2: Convert to fraction form
    168,642,015.40/252,963,023.10 = 139,944,201.40/x
  3. Step 3: Cross multiply
    168,642,015.40x = 252,963,023.10 × 139,944,201.40
  4. Step 4: Simplify right side
    168,642,015.40x = 35,400,708,251,459,252
  5. Step 5: Solve for x
    x = 35,400,708,251,459,252/168,642,015.40
  6. Step 6: Final answer
    x = 209,916,302.10

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1.5x scale

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.