Home / 229,164,200.39-316,254,235.36-128,710,339.91

Finding the Fourth Proportional to 229,164,200.39, 316,254,235.36 and 128,710,339.91

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Solution

The fourth proportional to 229,164,200.39, 316,254,235.36 and 128,710,339.91 is: 177,624,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,164,200.39 : 316,254,235.36 = 128,710,339.91 : x
  2. Step 2: Convert to fraction form
    229,164,200.39/316,254,235.36 = 128,710,339.91/x
  3. Step 3: Cross multiply
    229,164,200.39x = 316,254,235.36 × 128,710,339.91
  4. Step 4: Simplify right side
    229,164,200.39x = 40,705,190,131,081,472
  5. Step 5: Solve for x
    x = 40,705,190,131,081,472/229,164,200.39
  6. Step 6: Final answer
    x = 177,624,559.43

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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.