Home / 57,099,376.80-85,705,052.40-28,377,943.20

Finding the Fourth Proportional to 57,099,376.80, 85,705,052.40 and 28,377,943.20

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Solution

The fourth proportional to 57,099,376.80, 85,705,052.40 and 28,377,943.20 is: 42,594,740.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,099,376.80 : 85,705,052.40 = 28,377,943.20 : x
  2. Step 2: Convert to fraction form
    57,099,376.80/85,705,052.40 = 28,377,943.20/x
  3. Step 3: Cross multiply
    57,099,376.80x = 85,705,052.40 × 28,377,943.20
  4. Step 4: Simplify right side
    57,099,376.80x = 2,432,133,108,960,224
  5. Step 5: Solve for x
    x = 2,432,133,108,960,224/57,099,376.80
  6. Step 6: Final answer
    x = 42,594,740.00

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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.