Home / 85,360,620.03-128,064,904.41-34,278,511.11

Finding the Fourth Proportional to 85,360,620.03, 128,064,904.41 and 34,278,511.11

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Solution

The fourth proportional to 85,360,620.03, 128,064,904.41 and 34,278,511.11 is: 51,427,394.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,360,620.03 : 128,064,904.41 = 34,278,511.11 : x
  2. Step 2: Convert to fraction form
    85,360,620.03/128,064,904.41 = 34,278,511.11/x
  3. Step 3: Cross multiply
    85,360,620.03x = 128,064,904.41 × 34,278,511.11
  4. Step 4: Simplify right side
    85,360,620.03x = 4,389,874,248,619,273
  5. Step 5: Solve for x
    x = 4,389,874,248,619,273/85,360,620.03
  6. Step 6: Final answer
    x = 51,427,394.12

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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.