Home / 74,751,123.60-112,126,685.40-56,611,270.80

Finding the Fourth Proportional to 74,751,123.60, 112,126,685.40 and 56,611,270.80

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Solution

The fourth proportional to 74,751,123.60, 112,126,685.40 and 56,611,270.80 is: 84,916,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,751,123.60 : 112,126,685.40 = 56,611,270.80 : x
  2. Step 2: Convert to fraction form
    74,751,123.60/112,126,685.40 = 56,611,270.80/x
  3. Step 3: Cross multiply
    74,751,123.60x = 112,126,685.40 × 56,611,270.80
  4. Step 4: Simplify right side
    74,751,123.60x = 6,347,634,151,085,806
  5. Step 5: Solve for x
    x = 6,347,634,151,085,806/74,751,123.60
  6. Step 6: Final answer
    x = 84,916,906.20

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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.