Home / 272,875,811.40-409,313,717.10-109,032,551.10

Finding the Fourth Proportional to 272,875,811.40, 409,313,717.10 and 109,032,551.10

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Solution

The fourth proportional to 272,875,811.40, 409,313,717.10 and 109,032,551.10 is: 163,548,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,875,811.40 : 409,313,717.10 = 109,032,551.10 : x
  2. Step 2: Convert to fraction form
    272,875,811.40/409,313,717.10 = 109,032,551.10/x
  3. Step 3: Cross multiply
    272,875,811.40x = 409,313,717.10 × 109,032,551.10
  4. Step 4: Simplify right side
    272,875,811.40x = 44,628,518,775,636,696
  5. Step 5: Solve for x
    x = 44,628,518,775,636,696/272,875,811.40
  6. Step 6: Final answer
    x = 163,548,826.65

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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.