Home / 81,492,353.03-122,196,539.13-30,348,045.83

Finding the Fourth Proportional to 81,492,353.03, 122,196,539.13 and 30,348,045.83

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Solution

The fourth proportional to 81,492,353.03, 122,196,539.13 and 30,348,045.83 is: 45,506,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,492,353.03 : 122,196,539.13 = 30,348,045.83 : x
  2. Step 2: Convert to fraction form
    81,492,353.03/122,196,539.13 = 30,348,045.83/x
  3. Step 3: Cross multiply
    81,492,353.03x = 122,196,539.13 × 30,348,045.83
  4. Step 4: Simplify right side
    81,492,353.03x = 3,708,426,169,173,645.50
  5. Step 5: Solve for x
    x = 3,708,426,169,173,645.50/81,492,353.03
  6. Step 6: Final answer
    x = 45,506,431.36

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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.