Home / 85,734,764.20-118,311,245.22-49,064,547.88

Finding the Fourth Proportional to 85,734,764.20, 118,311,245.22 and 49,064,547.88

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Solution

The fourth proportional to 85,734,764.20, 118,311,245.22 and 49,064,547.88 is: 67,707,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,734,764.20 : 118,311,245.22 = 49,064,547.88 : x
  2. Step 2: Convert to fraction form
    85,734,764.20/118,311,245.22 = 49,064,547.88/x
  3. Step 3: Cross multiply
    85,734,764.20x = 118,311,245.22 × 49,064,547.88
  4. Step 4: Simplify right side
    85,734,764.20x = 5,804,887,755,839,111
  5. Step 5: Solve for x
    x = 5,804,887,755,839,111/85,734,764.20
  6. Step 6: Final answer
    x = 67,707,514.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.