Home / 112,403,312.20-168,492,993.90-51,713,187.40

Finding the Fourth Proportional to 112,403,312.20, 168,492,993.90 and 51,713,187.40

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Solution

The fourth proportional to 112,403,312.20, 168,492,993.90 and 51,713,187.40 is: 77,518,265.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,403,312.20 : 168,492,993.90 = 51,713,187.40 : x
  2. Step 2: Convert to fraction form
    112,403,312.20/168,492,993.90 = 51,713,187.40/x
  3. Step 3: Cross multiply
    112,403,312.20x = 168,492,993.90 × 51,713,187.40
  4. Step 4: Simplify right side
    112,403,312.20x = 8,713,309,769,137,757
  5. Step 5: Solve for x
    x = 8,713,309,769,137,757/112,403,312.20
  6. Step 6: Final answer
    x = 77,518,265.24

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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.