Home / 236,960,272.80-355,440,409.20-129,464,848.80

Finding the Fourth Proportional to 236,960,272.80, 355,440,409.20 and 129,464,848.80

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Solution

The fourth proportional to 236,960,272.80, 355,440,409.20 and 129,464,848.80 is: 194,197,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,960,272.80 : 355,440,409.20 = 129,464,848.80 : x
  2. Step 2: Convert to fraction form
    236,960,272.80/355,440,409.20 = 129,464,848.80/x
  3. Step 3: Cross multiply
    236,960,272.80x = 355,440,409.20 × 129,464,848.80
  4. Step 4: Simplify right side
    236,960,272.80x = 46,017,038,834,488,128
  5. Step 5: Solve for x
    x = 46,017,038,834,488,128/236,960,272.80
  6. Step 6: Final answer
    x = 194,197,273.20

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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.