Home / 82,885,339.40-124,328,009.10-64,745,486.60

Finding the Fourth Proportional to 82,885,339.40, 124,328,009.10 and 64,745,486.60

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Solution

The fourth proportional to 82,885,339.40, 124,328,009.10 and 64,745,486.60 is: 97,118,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,885,339.40 : 124,328,009.10 = 64,745,486.60 : x
  2. Step 2: Convert to fraction form
    82,885,339.40/124,328,009.10 = 64,745,486.60/x
  3. Step 3: Cross multiply
    82,885,339.40x = 124,328,009.10 × 64,745,486.60
  4. Step 4: Simplify right side
    82,885,339.40x = 8,049,677,447,188,728
  5. Step 5: Solve for x
    x = 8,049,677,447,188,728/82,885,339.40
  6. Step 6: Final answer
    x = 97,118,229.90

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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.