Home / 155,535,846.48-214,645,989.48-89,456,363.12

Finding the Fourth Proportional to 155,535,846.48, 214,645,989.48 and 89,456,363.12

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Solution

The fourth proportional to 155,535,846.48, 214,645,989.48 and 89,456,363.12 is: 123,453,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,535,846.48 : 214,645,989.48 = 89,456,363.12 : x
  2. Step 2: Convert to fraction form
    155,535,846.48/214,645,989.48 = 89,456,363.12/x
  3. Step 3: Cross multiply
    155,535,846.48x = 214,645,989.48 × 89,456,363.12
  4. Step 4: Simplify right side
    155,535,846.48x = 19,201,449,577,174,580
  5. Step 5: Solve for x
    x = 19,201,449,577,174,580/155,535,846.48
  6. Step 6: Final answer
    x = 123,453,531.85

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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.