Home / 128,168,897.40-192,258,594.90-37,292,486.40

Finding the Fourth Proportional to 128,168,897.40, 192,258,594.90 and 37,292,486.40

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Solution

The fourth proportional to 128,168,897.40, 192,258,594.90 and 37,292,486.40 is: 55,940,256.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,168,897.40 : 192,258,594.90 = 37,292,486.40 : x
  2. Step 2: Convert to fraction form
    128,168,897.40/192,258,594.90 = 37,292,486.40/x
  3. Step 3: Cross multiply
    128,168,897.40x = 192,258,594.90 × 37,292,486.40
  4. Step 4: Simplify right side
    128,168,897.40x = 7,169,801,035,591,359
  5. Step 5: Solve for x
    x = 7,169,801,035,591,359/128,168,897.40
  6. Step 6: Final answer
    x = 55,940,256.81

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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.