Home / 128,124,443.20-192,168,002.40-37,238,555.20

Finding the Fourth Proportional to 128,124,443.20, 192,168,002.40 and 37,238,555.20

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Solution

The fourth proportional to 128,124,443.20, 192,168,002.40 and 37,238,555.20 is: 55,852,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,124,443.20 : 192,168,002.40 = 37,238,555.20 : x
  2. Step 2: Convert to fraction form
    128,124,443.20/192,168,002.40 = 37,238,555.20/x
  3. Step 3: Cross multiply
    128,124,443.20x = 192,168,002.40 × 37,238,555.20
  4. Step 4: Simplify right side
    128,124,443.20x = 7,156,058,765,046,133
  5. Step 5: Solve for x
    x = 7,156,058,765,046,133/128,124,443.20
  6. Step 6: Final answer
    x = 55,852,408.69

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1.5x scale

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.