Home / 108,612,981.32-163,021,855.34-39,592,497.40

Finding the Fourth Proportional to 108,612,981.32, 163,021,855.34 and 39,592,497.40

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Solution

The fourth proportional to 108,612,981.32, 163,021,855.34 and 39,592,497.40 is: 59,426,067.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,612,981.32 : 163,021,855.34 = 39,592,497.40 : x
  2. Step 2: Convert to fraction form
    108,612,981.32/163,021,855.34 = 39,592,497.40/x
  3. Step 3: Cross multiply
    108,612,981.32x = 163,021,855.34 × 39,592,497.40
  4. Step 4: Simplify right side
    108,612,981.32x = 6,454,442,383,692,126
  5. Step 5: Solve for x
    x = 6,454,442,383,692,126/108,612,981.32
  6. Step 6: Final answer
    x = 59,426,067.72

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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.