Home / 261,929,160.02-361,462,599.30-142,852,040.12

Finding the Fourth Proportional to 261,929,160.02, 361,462,599.30 and 142,852,040.12

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Solution

The fourth proportional to 261,929,160.02, 361,462,599.30 and 142,852,040.12 is: 197,136,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,929,160.02 : 361,462,599.30 = 142,852,040.12 : x
  2. Step 2: Convert to fraction form
    261,929,160.02/361,462,599.30 = 142,852,040.12/x
  3. Step 3: Cross multiply
    261,929,160.02x = 361,462,599.30 × 142,852,040.12
  4. Step 4: Simplify right side
    261,929,160.02x = 51,635,669,737,083,088
  5. Step 5: Solve for x
    x = 51,635,669,737,083,088/261,929,160.02
  6. Step 6: Final answer
    x = 197,136,010.87

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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.