Home / 321,995,313.60-482,756,774.40-127,810,708.80

Finding the Fourth Proportional to 321,995,313.60, 482,756,774.40 and 127,810,708.80

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Solution

The fourth proportional to 321,995,313.60, 482,756,774.40 and 127,810,708.80 is: 191,622,309.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,995,313.60 : 482,756,774.40 = 127,810,708.80 : x
  2. Step 2: Convert to fraction form
    321,995,313.60/482,756,774.40 = 127,810,708.80/x
  3. Step 3: Cross multiply
    321,995,313.60x = 482,756,774.40 × 127,810,708.80
  4. Step 4: Simplify right side
    321,995,313.60x = 61,701,485,514,065,688
  5. Step 5: Solve for x
    x = 61,701,485,514,065,688/321,995,313.60
  6. Step 6: Final answer
    x = 191,622,309.11

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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.