Home / 128,011,055.64-176,655,251.34-69,273,722.58

Finding the Fourth Proportional to 128,011,055.64, 176,655,251.34 and 69,273,722.58

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Solution

The fourth proportional to 128,011,055.64, 176,655,251.34 and 69,273,722.58 is: 95,597,734.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,011,055.64 : 176,655,251.34 = 69,273,722.58 : x
  2. Step 2: Convert to fraction form
    128,011,055.64/176,655,251.34 = 69,273,722.58/x
  3. Step 3: Cross multiply
    128,011,055.64x = 176,655,251.34 × 69,273,722.58
  4. Step 4: Simplify right side
    128,011,055.64x = 12,237,566,873,627,334
  5. Step 5: Solve for x
    x = 12,237,566,873,627,334/128,011,055.64
  6. Step 6: Final answer
    x = 95,597,734.21

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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.