Home / 261,929,158.02-361,462,596.54-142,852,038.12

Finding the Fourth Proportional to 261,929,158.02, 361,462,596.54 and 142,852,038.12

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Solution

The fourth proportional to 261,929,158.02, 361,462,596.54 and 142,852,038.12 is: 197,136,008.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,929,158.02 : 361,462,596.54 = 142,852,038.12 : x
  2. Step 2: Convert to fraction form
    261,929,158.02/361,462,596.54 = 142,852,038.12/x
  3. Step 3: Cross multiply
    261,929,158.02x = 361,462,596.54 × 142,852,038.12
  4. Step 4: Simplify right side
    261,929,158.02x = 51,635,668,619,886,264
  5. Step 5: Solve for x
    x = 51,635,668,619,886,264/261,929,158.02
  6. Step 6: Final answer
    x = 197,136,008.11

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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.