Home / 56,272,203.44-77,655,640.76-30,518,091.44

Finding the Fourth Proportional to 56,272,203.44, 77,655,640.76 and 30,518,091.44

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Solution

The fourth proportional to 56,272,203.44, 77,655,640.76 and 30,518,091.44 is: 42,114,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,272,203.44 : 77,655,640.76 = 30,518,091.44 : x
  2. Step 2: Convert to fraction form
    56,272,203.44/77,655,640.76 = 30,518,091.44/x
  3. Step 3: Cross multiply
    56,272,203.44x = 77,655,640.76 × 30,518,091.44
  4. Step 4: Simplify right side
    56,272,203.44x = 2,369,901,945,545,471.50
  5. Step 5: Solve for x
    x = 2,369,901,945,545,471.50/56,272,203.44
  6. Step 6: Final answer
    x = 42,114,966.19

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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.