Home / 134,347,495.53-185,456,750.54-90,320,028.69

Finding the Fourth Proportional to 134,347,495.53, 185,456,750.54 and 90,320,028.69

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Solution

The fourth proportional to 134,347,495.53, 185,456,750.54 and 90,320,028.69 is: 124,680,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,347,495.53 : 185,456,750.54 = 90,320,028.69 : x
  2. Step 2: Convert to fraction form
    134,347,495.53/185,456,750.54 = 90,320,028.69/x
  3. Step 3: Cross multiply
    134,347,495.53x = 185,456,750.54 × 90,320,028.69
  4. Step 4: Simplify right side
    134,347,495.53x = 16,750,459,029,075,372
  5. Step 5: Solve for x
    x = 16,750,459,029,075,372/134,347,495.53
  6. Step 6: Final answer
    x = 124,680,098.90

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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.