Home / 180,548,669,475.05-249,157,324,155.20-99,259,875,454.28

Finding the Fourth Proportional to 180,548,669,475.05, 249,157,324,155.20 and 99,259,875,454.28

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Solution

The fourth proportional to 180,548,669,475.05, 249,157,324,155.20 and 99,259,875,454.28 is: 136,978,716,243.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,548,669,475.05 : 249,157,324,155.20 = 99,259,875,454.28 : x
  2. Step 2: Convert to fraction form
    180,548,669,475.05/249,157,324,155.20 = 99,259,875,454.28/x
  3. Step 3: Cross multiply
    180,548,669,475.05x = 249,157,324,155.20 × 99,259,875,454.28
  4. Step 4: Simplify right side
    180,548,669,475.05x = 24,731,324,964,166,822,789,120
  5. Step 5: Solve for x
    x = 24,731,324,964,166,822,789,120/180,548,669,475.05
  6. Step 6: Final answer
    x = 136,978,716,243.51

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1.5x scale

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.