Home / 76,806,543.63-115,209,932.10-31,368,338.13

Finding the Fourth Proportional to 76,806,543.63, 115,209,932.10 and 31,368,338.13

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Solution

The fourth proportional to 76,806,543.63, 115,209,932.10 and 31,368,338.13 is: 47,052,554.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,806,543.63 : 115,209,932.10 = 31,368,338.13 : x
  2. Step 2: Convert to fraction form
    76,806,543.63/115,209,932.10 = 31,368,338.13/x
  3. Step 3: Cross multiply
    76,806,543.63x = 115,209,932.10 × 31,368,338.13
  4. Step 4: Simplify right side
    76,806,543.63x = 3,613,944,106,047,140.50
  5. Step 5: Solve for x
    x = 3,613,944,106,047,140.50/76,806,543.63
  6. Step 6: Final answer
    x = 47,052,554.84

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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.