Home / 84,613,746.80-116,791,184.40-49,826,615.44

Finding the Fourth Proportional to 84,613,746.80, 116,791,184.40 and 49,826,615.44

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Solution

The fourth proportional to 84,613,746.80, 116,791,184.40 and 49,826,615.44 is: 68,774,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,613,746.80 : 116,791,184.40 = 49,826,615.44 : x
  2. Step 2: Convert to fraction form
    84,613,746.80/116,791,184.40 = 49,826,615.44/x
  3. Step 3: Cross multiply
    84,613,746.80x = 116,791,184.40 × 49,826,615.44
  4. Step 4: Simplify right side
    84,613,746.80x = 5,819,309,431,880,927
  5. Step 5: Solve for x
    x = 5,819,309,431,880,927/84,613,746.80
  6. Step 6: Final answer
    x = 68,774,988.13

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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.