Home / 70,158,735,283.02-105,244,287,128.12-19,794,610,239.90

Finding the Fourth Proportional to 70,158,735,283.02, 105,244,287,128.12 and 19,794,610,239.90

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Solution

The fourth proportional to 70,158,735,283.02, 105,244,287,128.12 and 19,794,610,239.90 is: 29,693,660,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,158,735,283.02 : 105,244,287,128.12 = 19,794,610,239.90 : x
  2. Step 2: Convert to fraction form
    70,158,735,283.02/105,244,287,128.12 = 19,794,610,239.90/x
  3. Step 3: Cross multiply
    70,158,735,283.02x = 105,244,287,128.12 × 19,794,610,239.90
  4. Step 4: Simplify right side
    70,158,735,283.02x = 2,083,269,643,676,838,789,120
  5. Step 5: Solve for x
    x = 2,083,269,643,676,838,789,120/70,158,735,283.02
  6. Step 6: Final answer
    x = 29,693,660,173.22

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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.