Home / 88,403,427.30-132,605,140.95-66,880,066.80

Finding the Fourth Proportional to 88,403,427.30, 132,605,140.95 and 66,880,066.80

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Solution

The fourth proportional to 88,403,427.30, 132,605,140.95 and 66,880,066.80 is: 100,320,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,403,427.30 : 132,605,140.95 = 66,880,066.80 : x
  2. Step 2: Convert to fraction form
    88,403,427.30/132,605,140.95 = 66,880,066.80/x
  3. Step 3: Cross multiply
    88,403,427.30x = 132,605,140.95 × 66,880,066.80
  4. Step 4: Simplify right side
    88,403,427.30x = 8,868,640,684,759,415
  5. Step 5: Solve for x
    x = 8,868,640,684,759,415/88,403,427.30
  6. Step 6: Final answer
    x = 100,320,100.20

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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.