Home / 192,008,139.40-288,012,209.10-48,400,971.40

Finding the Fourth Proportional to 192,008,139.40, 288,012,209.10 and 48,400,971.40

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Solution

The fourth proportional to 192,008,139.40, 288,012,209.10 and 48,400,971.40 is: 72,601,457.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,008,139.40 : 288,012,209.10 = 48,400,971.40 : x
  2. Step 2: Convert to fraction form
    192,008,139.40/288,012,209.10 = 48,400,971.40/x
  3. Step 3: Cross multiply
    192,008,139.40x = 288,012,209.10 × 48,400,971.40
  4. Step 4: Simplify right side
    192,008,139.40x = 13,940,070,695,499,920
  5. Step 5: Solve for x
    x = 13,940,070,695,499,920/192,008,139.40
  6. Step 6: Final answer
    x = 72,601,457.10

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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.