Home / 128,122,300.02-176,807,893.62-69,383,620.92

Finding the Fourth Proportional to 128,122,300.02, 176,807,893.62 and 69,383,620.92

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Solution

The fourth proportional to 128,122,300.02, 176,807,893.62 and 69,383,620.92 is: 95,748,920.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,122,300.02 : 176,807,893.62 = 69,383,620.92 : x
  2. Step 2: Convert to fraction form
    128,122,300.02/176,807,893.62 = 69,383,620.92/x
  3. Step 3: Cross multiply
    128,122,300.02x = 176,807,893.62 × 69,383,620.92
  4. Step 4: Simplify right side
    128,122,300.02x = 12,267,571,866,593,768
  5. Step 5: Solve for x
    x = 12,267,571,866,593,768/128,122,300.02
  6. Step 6: Final answer
    x = 95,748,920.09

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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.