Home / 229,164,202.89-316,254,238.81-128,710,342.41

Finding the Fourth Proportional to 229,164,202.89, 316,254,238.81 and 128,710,342.41

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Solution

The fourth proportional to 229,164,202.89, 316,254,238.81 and 128,710,342.41 is: 177,624,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,164,202.89 : 316,254,238.81 = 128,710,342.41 : x
  2. Step 2: Convert to fraction form
    229,164,202.89/316,254,238.81 = 128,710,342.41/x
  3. Step 3: Cross multiply
    229,164,202.89x = 316,254,238.81 × 128,710,342.41
  4. Step 4: Simplify right side
    229,164,202.89x = 40,705,191,365,849,008
  5. Step 5: Solve for x
    x = 40,705,191,365,849,008/229,164,202.89
  6. Step 6: Final answer
    x = 177,624,562.88

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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.