Home / 65,172,912.30-97,759,368.45-19,734,706.80

Finding the Fourth Proportional to 65,172,912.30, 97,759,368.45 and 19,734,706.80

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Solution

The fourth proportional to 65,172,912.30, 97,759,368.45 and 19,734,706.80 is: 29,602,060.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,172,912.30 : 97,759,368.45 = 19,734,706.80 : x
  2. Step 2: Convert to fraction form
    65,172,912.30/97,759,368.45 = 19,734,706.80/x
  3. Step 3: Cross multiply
    65,172,912.30x = 97,759,368.45 × 19,734,706.80
  4. Step 4: Simplify right side
    65,172,912.30x = 1,929,252,473,313,920.50
  5. Step 5: Solve for x
    x = 1,929,252,473,313,920.50/65,172,912.30
  6. Step 6: Final answer
    x = 29,602,060.20

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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.