Home / 57,216,009.40-85,824,014.10-56,685,167.80

Finding the Fourth Proportional to 57,216,009.40, 85,824,014.10 and 56,685,167.80

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Solution

The fourth proportional to 57,216,009.40, 85,824,014.10 and 56,685,167.80 is: 85,027,751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,216,009.40 : 85,824,014.10 = 56,685,167.80 : x
  2. Step 2: Convert to fraction form
    57,216,009.40/85,824,014.10 = 56,685,167.80/x
  3. Step 3: Cross multiply
    57,216,009.40x = 85,824,014.10 × 56,685,167.80
  4. Step 4: Simplify right side
    57,216,009.40x = 4,864,948,640,528,065
  5. Step 5: Solve for x
    x = 4,864,948,640,528,065/57,216,009.40
  6. Step 6: Final answer
    x = 85,027,751.70

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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.