Home / 128,304,006.10-192,456,009.15-104,117,535.70

Finding the Fourth Proportional to 128,304,006.10, 192,456,009.15 and 104,117,535.70

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Solution

The fourth proportional to 128,304,006.10, 192,456,009.15 and 104,117,535.70 is: 156,176,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,006.10 : 192,456,009.15 = 104,117,535.70 : x
  2. Step 2: Convert to fraction form
    128,304,006.10/192,456,009.15 = 104,117,535.70/x
  3. Step 3: Cross multiply
    128,304,006.10x = 192,456,009.15 × 104,117,535.70
  4. Step 4: Simplify right side
    128,304,006.10x = 20,038,045,403,354,652
  5. Step 5: Solve for x
    x = 20,038,045,403,354,652/128,304,006.10
  6. Step 6: Final answer
    x = 156,176,303.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.