Home / 57,216,006.40-85,824,009.60-56,685,164.80

Finding the Fourth Proportional to 57,216,006.40, 85,824,009.60 and 56,685,164.80

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Solution

The fourth proportional to 57,216,006.40, 85,824,009.60 and 56,685,164.80 is: 85,027,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,216,006.40 : 85,824,009.60 = 56,685,164.80 : x
  2. Step 2: Convert to fraction form
    57,216,006.40/85,824,009.60 = 56,685,164.80/x
  3. Step 3: Cross multiply
    57,216,006.40x = 85,824,009.60 × 56,685,164.80
  4. Step 4: Simplify right side
    57,216,006.40x = 4,864,948,127,972,781
  5. Step 5: Solve for x
    x = 4,864,948,127,972,781/57,216,006.40
  6. Step 6: Final answer
    x = 85,027,747.20

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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.