Home / 89,862,567.21-134,798,611.59-28,458,213.17

Finding the Fourth Proportional to 89,862,567.21, 134,798,611.59 and 28,458,213.17

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Solution

The fourth proportional to 89,862,567.21, 134,798,611.59 and 28,458,213.17 is: 42,688,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,862,567.21 : 134,798,611.59 = 28,458,213.17 : x
  2. Step 2: Convert to fraction form
    89,862,567.21/134,798,611.59 = 28,458,213.17/x
  3. Step 3: Cross multiply
    89,862,567.21x = 134,798,611.59 × 28,458,213.17
  4. Step 4: Simplify right side
    89,862,567.21x = 3,836,127,622,974,259.50
  5. Step 5: Solve for x
    x = 3,836,127,622,974,259.50/89,862,567.21
  6. Step 6: Final answer
    x = 42,688,827.42

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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.