Home / 64,316,725.80-96,454,355.90-21,175,657.72

Finding the Fourth Proportional to 64,316,725.80, 96,454,355.90 and 21,175,657.72

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Solution

The fourth proportional to 64,316,725.80, 96,454,355.90 and 21,175,657.72 is: 31,756,660.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,316,725.80 : 96,454,355.90 = 21,175,657.72 : x
  2. Step 2: Convert to fraction form
    64,316,725.80/96,454,355.90 = 21,175,657.72/x
  3. Step 3: Cross multiply
    64,316,725.80x = 96,454,355.90 × 21,175,657.72
  4. Step 4: Simplify right side
    64,316,725.80x = 2,042,484,426,141,462.50
  5. Step 5: Solve for x
    x = 2,042,484,426,141,462.50/64,316,725.80
  6. Step 6: Final answer
    x = 31,756,660.51

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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.