Home / 56,785,429.60-85,178,144.40-31,216,559.20

Finding the Fourth Proportional to 56,785,429.60, 85,178,144.40 and 31,216,559.20

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Solution

The fourth proportional to 56,785,429.60, 85,178,144.40 and 31,216,559.20 is: 46,824,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,785,429.60 : 85,178,144.40 = 31,216,559.20 : x
  2. Step 2: Convert to fraction form
    56,785,429.60/85,178,144.40 = 31,216,559.20/x
  3. Step 3: Cross multiply
    56,785,429.60x = 85,178,144.40 × 31,216,559.20
  4. Step 4: Simplify right side
    56,785,429.60x = 2,658,968,587,208,748.50
  5. Step 5: Solve for x
    x = 2,658,968,587,208,748.50/56,785,429.60
  6. Step 6: Final answer
    x = 46,824,838.80

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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.