Home / 88,403,429.30-132,605,143.95-66,880,068.80

Finding the Fourth Proportional to 88,403,429.30, 132,605,143.95 and 66,880,068.80

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Solution

The fourth proportional to 88,403,429.30, 132,605,143.95 and 66,880,068.80 is: 100,320,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,403,429.30 : 132,605,143.95 = 66,880,068.80 : x
  2. Step 2: Convert to fraction form
    88,403,429.30/132,605,143.95 = 66,880,068.80/x
  3. Step 3: Cross multiply
    88,403,429.30x = 132,605,143.95 × 66,880,068.80
  4. Step 4: Simplify right side
    88,403,429.30x = 8,868,641,150,609,904
  5. Step 5: Solve for x
    x = 8,868,641,150,609,904/88,403,429.30
  6. Step 6: Final answer
    x = 100,320,103.20

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1.5x scale

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.