Home / 261,688,607.47-361,119,764.21-142,608,671.04

Finding the Fourth Proportional to 261,688,607.47, 361,119,764.21 and 142,608,671.04

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Solution

The fourth proportional to 261,688,607.47, 361,119,764.21 and 142,608,671.04 is: 196,794,236.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,688,607.47 : 361,119,764.21 = 142,608,671.04 : x
  2. Step 2: Convert to fraction form
    261,688,607.47/361,119,764.21 = 142,608,671.04/x
  3. Step 3: Cross multiply
    261,688,607.47x = 361,119,764.21 × 142,608,671.04
  4. Step 4: Simplify right side
    261,688,607.47x = 51,498,809,658,460,656
  5. Step 5: Solve for x
    x = 51,498,809,658,460,656/261,688,607.47
  6. Step 6: Final answer
    x = 196,794,236.31

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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.