Home / 173,506,787.28-260,303,257.52-86,109,322.84

Finding the Fourth Proportional to 173,506,787.28, 260,303,257.52 and 86,109,322.84

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Solution

The fourth proportional to 173,506,787.28, 260,303,257.52 and 86,109,322.84 is: 129,185,362.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,506,787.28 : 260,303,257.52 = 86,109,322.84 : x
  2. Step 2: Convert to fraction form
    173,506,787.28/260,303,257.52 = 86,109,322.84/x
  3. Step 3: Cross multiply
    173,506,787.28x = 260,303,257.52 × 86,109,322.84
  4. Step 4: Simplify right side
    173,506,787.28x = 22,414,537,238,093,340
  5. Step 5: Solve for x
    x = 22,414,537,238,093,340/173,506,787.28
  6. Step 6: Final answer
    x = 129,185,362.66

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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.