Home / 82,824,254.82-114,406,638.12-61,879,886.16

Finding the Fourth Proportional to 82,824,254.82, 114,406,638.12 and 61,879,886.16

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Solution

The fourth proportional to 82,824,254.82, 114,406,638.12 and 61,879,886.16 is: 85,475,803.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,824,254.82 : 114,406,638.12 = 61,879,886.16 : x
  2. Step 2: Convert to fraction form
    82,824,254.82/114,406,638.12 = 61,879,886.16/x
  3. Step 3: Cross multiply
    82,824,254.82x = 114,406,638.12 × 61,879,886.16
  4. Step 4: Simplify right side
    82,824,254.82x = 7,079,469,742,813,916
  5. Step 5: Solve for x
    x = 7,079,469,742,813,916/82,824,254.82
  6. Step 6: Final answer
    x = 85,475,803.65

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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.