Home / 128,006,894.58-176,649,979.50-69,269,553.36

Finding the Fourth Proportional to 128,006,894.58, 176,649,979.50 and 69,269,553.36

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Solution

The fourth proportional to 128,006,894.58, 176,649,979.50 and 69,269,553.36 is: 95,592,235.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,006,894.58 : 176,649,979.50 = 69,269,553.36 : x
  2. Step 2: Convert to fraction form
    128,006,894.58/176,649,979.50 = 69,269,553.36/x
  3. Step 3: Cross multiply
    128,006,894.58x = 176,649,979.50 × 69,269,553.36
  4. Step 4: Simplify right side
    128,006,894.58x = 12,236,465,181,018,156
  5. Step 5: Solve for x
    x = 12,236,465,181,018,156/128,006,894.58
  6. Step 6: Final answer
    x = 95,592,235.26

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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.