Home / 145,267,112,884.24-200,468,059,160.52-81,037,786,039.12

Finding the Fourth Proportional to 145,267,112,884.24, 200,468,059,160.52 and 81,037,786,039.12

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Solution

The fourth proportional to 145,267,112,884.24, 200,468,059,160.52 and 81,037,786,039.12 is: 111,831,834,221.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,267,112,884.24 : 200,468,059,160.52 = 81,037,786,039.12 : x
  2. Step 2: Convert to fraction form
    145,267,112,884.24/200,468,059,160.52 = 81,037,786,039.12/x
  3. Step 3: Cross multiply
    145,267,112,884.24x = 200,468,059,160.52 × 81,037,786,039.12
  4. Step 4: Simplify right side
    145,267,112,884.24x = 16,245,487,685,927,868,301,312
  5. Step 5: Solve for x
    x = 16,245,487,685,927,868,301,312/145,267,112,884.24
  6. Step 6: Final answer
    x = 111,831,834,221.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.