Home / 112,211,339.30-168,317,008.95-48,385,931.30

Finding the Fourth Proportional to 112,211,339.30, 168,317,008.95 and 48,385,931.30

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Solution

The fourth proportional to 112,211,339.30, 168,317,008.95 and 48,385,931.30 is: 72,578,896.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,211,339.30 : 168,317,008.95 = 48,385,931.30 : x
  2. Step 2: Convert to fraction form
    112,211,339.30/168,317,008.95 = 48,385,931.30/x
  3. Step 3: Cross multiply
    112,211,339.30x = 168,317,008.95 × 48,385,931.30
  4. Step 4: Simplify right side
    112,211,339.30x = 8,144,175,231,676,184
  5. Step 5: Solve for x
    x = 8,144,175,231,676,184/112,211,339.30
  6. Step 6: Final answer
    x = 72,578,896.95

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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.