Home / 112,403,311.20-168,492,992.40-51,713,186.40

Finding the Fourth Proportional to 112,403,311.20, 168,492,992.40 and 51,713,186.40

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Solution

The fourth proportional to 112,403,311.20, 168,492,992.40 and 51,713,186.40 is: 77,518,263.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,403,311.20 : 168,492,992.40 = 51,713,186.40 : x
  2. Step 2: Convert to fraction form
    112,403,311.20/168,492,992.40 = 51,713,186.40/x
  3. Step 3: Cross multiply
    112,403,311.20x = 168,492,992.40 × 51,713,186.40
  4. Step 4: Simplify right side
    112,403,311.20x = 8,713,309,523,074,983
  5. Step 5: Solve for x
    x = 8,713,309,523,074,983/112,403,311.20
  6. Step 6: Final answer
    x = 77,518,263.74

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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.