Home / 100,311,101.40-150,466,652.10-89,788,569.60

Finding the Fourth Proportional to 100,311,101.40, 150,466,652.10 and 89,788,569.60

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Solution

The fourth proportional to 100,311,101.40, 150,466,652.10 and 89,788,569.60 is: 134,682,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,311,101.40 : 150,466,652.10 = 89,788,569.60 : x
  2. Step 2: Convert to fraction form
    100,311,101.40/150,466,652.10 = 89,788,569.60/x
  3. Step 3: Cross multiply
    100,311,101.40x = 150,466,652.10 × 89,788,569.60
  4. Step 4: Simplify right side
    100,311,101.40x = 13,510,185,464,559,834
  5. Step 5: Solve for x
    x = 13,510,185,464,559,834/100,311,101.40
  6. Step 6: Final answer
    x = 134,682,854.40

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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.