Home / 90,611,087.49-135,841,385.48-35,989,975.17

Finding the Fourth Proportional to 90,611,087.49, 135,841,385.48 and 35,989,975.17

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Solution

The fourth proportional to 90,611,087.49, 135,841,385.48 and 35,989,975.17 is: 53,955,075.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,611,087.49 : 135,841,385.48 = 35,989,975.17 : x
  2. Step 2: Convert to fraction form
    90,611,087.49/135,841,385.48 = 35,989,975.17/x
  3. Step 3: Cross multiply
    90,611,087.49x = 135,841,385.48 × 35,989,975.17
  4. Step 4: Simplify right side
    90,611,087.49x = 4,888,928,090,303,649
  5. Step 5: Solve for x
    x = 4,888,928,090,303,649/90,611,087.49
  6. Step 6: Final answer
    x = 53,955,075.76

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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.