Home / 276,488,216-381,565,322.40-159,013,625.92

Finding the Fourth Proportional to 276,488,216, 381,565,322.40 and 159,013,625.92

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Solution

The fourth proportional to 276,488,216, 381,565,322.40 and 159,013,625.92 is: 219,445,466.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,488,216 : 381,565,322.40 = 159,013,625.92 : x
  2. Step 2: Convert to fraction form
    276,488,216/381,565,322.40 = 159,013,625.92/x
  3. Step 3: Cross multiply
    276,488,216x = 381,565,322.40 × 159,013,625.92
  4. Step 4: Simplify right side
    276,488,216x = 60,674,085,440,157,784
  5. Step 5: Solve for x
    x = 60,674,085,440,157,784/276,488,216
  6. Step 6: Final answer
    x = 219,445,466.13

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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.