Home / 56,160,123.60-84,240,185.40-47,090,197.20

Finding the Fourth Proportional to 56,160,123.60, 84,240,185.40 and 47,090,197.20

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Solution

The fourth proportional to 56,160,123.60, 84,240,185.40 and 47,090,197.20 is: 70,635,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,160,123.60 : 84,240,185.40 = 47,090,197.20 : x
  2. Step 2: Convert to fraction form
    56,160,123.60/84,240,185.40 = 47,090,197.20/x
  3. Step 3: Cross multiply
    56,160,123.60x = 84,240,185.40 × 47,090,197.20
  4. Step 4: Simplify right side
    56,160,123.60x = 3,966,886,942,650,561.50
  5. Step 5: Solve for x
    x = 3,966,886,942,650,561.50/56,160,123.60
  6. Step 6: Final answer
    x = 70,635,295.80

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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.