Home / 128,011,058.64-176,655,255.48-69,273,725.58

Finding the Fourth Proportional to 128,011,058.64, 176,655,255.48 and 69,273,725.58

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Solution

The fourth proportional to 128,011,058.64, 176,655,255.48 and 69,273,725.58 is: 95,597,738.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,011,058.64 : 176,655,255.48 = 69,273,725.58 : x
  2. Step 2: Convert to fraction form
    128,011,058.64/176,655,255.48 = 69,273,725.58/x
  3. Step 3: Cross multiply
    128,011,058.64x = 176,655,255.48 × 69,273,725.58
  4. Step 4: Simplify right side
    128,011,058.64x = 12,237,567,690,386,310
  5. Step 5: Solve for x
    x = 12,237,567,690,386,310/128,011,058.64
  6. Step 6: Final answer
    x = 95,597,738.35

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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.