Home / 144,205,334,672.32-198,977,048,862.24-83,215,451,895.76

Finding the Fourth Proportional to 144,205,334,672.32, 198,977,048,862.24 and 83,215,451,895.76

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Solution

The fourth proportional to 144,205,334,672.32, 198,977,048,862.24 and 83,215,451,895.76 is: 114,822,139,386.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,205,334,672.32 : 198,977,048,862.24 = 83,215,451,895.76 : x
  2. Step 2: Convert to fraction form
    144,205,334,672.32/198,977,048,862.24 = 83,215,451,895.76/x
  3. Step 3: Cross multiply
    144,205,334,672.32x = 198,977,048,862.24 × 83,215,451,895.76
  4. Step 4: Simplify right side
    144,205,334,672.32x = 16,557,965,037,956,017,160,192
  5. Step 5: Solve for x
    x = 16,557,965,037,956,017,160,192/144,205,334,672.32
  6. Step 6: Final answer
    x = 114,822,139,386.04

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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.