Home / 88,315,362.40-121,875,205.58-49,156,299.04

Finding the Fourth Proportional to 88,315,362.40, 121,875,205.58 and 49,156,299.04

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Solution

The fourth proportional to 88,315,362.40, 121,875,205.58 and 49,156,299.04 is: 67,835,695.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,315,362.40 : 121,875,205.58 = 49,156,299.04 : x
  2. Step 2: Convert to fraction form
    88,315,362.40/121,875,205.58 = 49,156,299.04/x
  3. Step 3: Cross multiply
    88,315,362.40x = 121,875,205.58 × 49,156,299.04
  4. Step 4: Simplify right side
    88,315,362.40x = 5,990,934,051,051,956
  5. Step 5: Solve for x
    x = 5,990,934,051,051,956/88,315,362.40
  6. Step 6: Final answer
    x = 67,835,695.72

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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.