Home / 84,485,457.32-116,576,613.78-49,209,068.12

Finding the Fourth Proportional to 84,485,457.32, 116,576,613.78 and 49,209,068.12

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Solution

The fourth proportional to 84,485,457.32, 116,576,613.78 and 49,209,068.12 is: 67,900,757.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,485,457.32 : 116,576,613.78 = 49,209,068.12 : x
  2. Step 2: Convert to fraction form
    84,485,457.32/116,576,613.78 = 49,209,068.12/x
  3. Step 3: Cross multiply
    84,485,457.32x = 116,576,613.78 × 49,209,068.12
  4. Step 4: Simplify right side
    84,485,457.32x = 5,736,626,528,698,950
  5. Step 5: Solve for x
    x = 5,736,626,528,698,950/84,485,457.32
  6. Step 6: Final answer
    x = 67,900,757.25

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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.