Home / 76,440,464.10-105,499,821.20-45,081,959.81

Finding the Fourth Proportional to 76,440,464.10, 105,499,821.20 and 45,081,959.81

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Solution

The fourth proportional to 76,440,464.10, 105,499,821.20 and 45,081,959.81 is: 62,220,170.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,440,464.10 : 105,499,821.20 = 45,081,959.81 : x
  2. Step 2: Convert to fraction form
    76,440,464.10/105,499,821.20 = 45,081,959.81/x
  3. Step 3: Cross multiply
    76,440,464.10x = 105,499,821.20 × 45,081,959.81
  4. Step 4: Simplify right side
    76,440,464.10x = 4,756,138,698,547,677
  5. Step 5: Solve for x
    x = 4,756,138,698,547,677/76,440,464.10
  6. Step 6: Final answer
    x = 62,220,170.36

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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.