Home / 128,967,546.90-193,476,834.27-36,852,117.78

Finding the Fourth Proportional to 128,967,546.90, 193,476,834.27 and 36,852,117.78

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Solution

The fourth proportional to 128,967,546.90, 193,476,834.27 and 36,852,117.78 is: 55,285,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,967,546.90 : 193,476,834.27 = 36,852,117.78 : x
  2. Step 2: Convert to fraction form
    128,967,546.90/193,476,834.27 = 36,852,117.78/x
  3. Step 3: Cross multiply
    128,967,546.90x = 193,476,834.27 × 36,852,117.78
  4. Step 4: Simplify right side
    128,967,546.90x = 7,130,031,084,219,581
  5. Step 5: Solve for x
    x = 7,130,031,084,219,581/128,967,546.90
  6. Step 6: Final answer
    x = 55,285,467.20

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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.