Home / 229,164,048.28-316,254,025.48-128,710,187.91

Finding the Fourth Proportional to 229,164,048.28, 316,254,025.48 and 128,710,187.91

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Solution

The fourth proportional to 229,164,048.28, 316,254,025.48 and 128,710,187.91 is: 177,624,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,164,048.28 : 316,254,025.48 = 128,710,187.91 : x
  2. Step 2: Convert to fraction form
    229,164,048.28/316,254,025.48 = 128,710,187.91/x
  3. Step 3: Cross multiply
    229,164,048.28x = 316,254,025.48 × 128,710,187.91
  4. Step 4: Simplify right side
    229,164,048.28x = 40,705,115,046,824,728
  5. Step 5: Solve for x
    x = 40,705,115,046,824,728/229,164,048.28
  6. Step 6: Final answer
    x = 177,624,349.68

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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.