Home / 89,079,661.60-133,619,492.40-74,730,754.60

Finding the Fourth Proportional to 89,079,661.60, 133,619,492.40 and 74,730,754.60

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Solution

The fourth proportional to 89,079,661.60, 133,619,492.40 and 74,730,754.60 is: 112,096,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,079,661.60 : 133,619,492.40 = 74,730,754.60 : x
  2. Step 2: Convert to fraction form
    89,079,661.60/133,619,492.40 = 74,730,754.60/x
  3. Step 3: Cross multiply
    89,079,661.60x = 133,619,492.40 × 74,730,754.60
  4. Step 4: Simplify right side
    89,079,661.60x = 9,985,485,496,320,964
  5. Step 5: Solve for x
    x = 9,985,485,496,320,964/89,079,661.60
  6. Step 6: Final answer
    x = 112,096,131.90

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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.