Home / 220,843,510.40-331,265,265.60-147,185,787.80

Finding the Fourth Proportional to 220,843,510.40, 331,265,265.60 and 147,185,787.80

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Solution

The fourth proportional to 220,843,510.40, 331,265,265.60 and 147,185,787.80 is: 220,778,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,843,510.40 : 331,265,265.60 = 147,185,787.80 : x
  2. Step 2: Convert to fraction form
    220,843,510.40/331,265,265.60 = 147,185,787.80/x
  3. Step 3: Cross multiply
    220,843,510.40x = 331,265,265.60 × 147,185,787.80
  4. Step 4: Simplify right side
    220,843,510.40x = 48,757,539,088,112,248
  5. Step 5: Solve for x
    x = 48,757,539,088,112,248/220,843,510.40
  6. Step 6: Final answer
    x = 220,778,681.70

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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.