Home / 213,482,232.48-320,249,261.52-60,128,289.12

Finding the Fourth Proportional to 213,482,232.48, 320,249,261.52 and 60,128,289.12

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Solution

The fourth proportional to 213,482,232.48, 320,249,261.52 and 60,128,289.12 is: 90,199,732.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,482,232.48 : 320,249,261.52 = 60,128,289.12 : x
  2. Step 2: Convert to fraction form
    213,482,232.48/320,249,261.52 = 60,128,289.12/x
  3. Step 3: Cross multiply
    213,482,232.48x = 320,249,261.52 × 60,128,289.12
  4. Step 4: Simplify right side
    213,482,232.48x = 19,256,040,187,141,048
  5. Step 5: Solve for x
    x = 19,256,040,187,141,048/213,482,232.48
  6. Step 6: Final answer
    x = 90,199,732.14

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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.