Home / 64,454,660.64-96,696,604.80-21,323,795.76

Finding the Fourth Proportional to 64,454,660.64, 96,696,604.80 and 21,323,795.76

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Solution

The fourth proportional to 64,454,660.64, 96,696,604.80 and 21,323,795.76 is: 31,990,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,454,660.64 : 96,696,604.80 = 21,323,795.76 : x
  2. Step 2: Convert to fraction form
    64,454,660.64/96,696,604.80 = 21,323,795.76/x
  3. Step 3: Cross multiply
    64,454,660.64x = 96,696,604.80 × 21,323,795.76
  4. Step 4: Simplify right side
    64,454,660.64x = 2,061,938,651,440,635.75
  5. Step 5: Solve for x
    x = 2,061,938,651,440,635.75/64,454,660.64
  6. Step 6: Final answer
    x = 31,990,528.40

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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.