Home / 57,276,935.80-85,962,405.30-56,829,038.20

Finding the Fourth Proportional to 57,276,935.80, 85,962,405.30 and 56,829,038.20

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Solution

The fourth proportional to 57,276,935.80, 85,962,405.30 and 56,829,038.20 is: 85,290,191.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,276,935.80 : 85,962,405.30 = 56,829,038.20 : x
  2. Step 2: Convert to fraction form
    57,276,935.80/85,962,405.30 = 56,829,038.20/x
  3. Step 3: Cross multiply
    57,276,935.80x = 85,962,405.30 × 56,829,038.20
  4. Step 4: Simplify right side
    57,276,935.80x = 4,885,160,814,557,583
  5. Step 5: Solve for x
    x = 4,885,160,814,557,583/57,276,935.80
  6. Step 6: Final answer
    x = 85,290,191.35

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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.