Home / 157,168,141-216,903,497.88-91,105,694.44

Finding the Fourth Proportional to 157,168,141, 216,903,497.88 and 91,105,694.44

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Solution

The fourth proportional to 157,168,141, 216,903,497.88 and 91,105,694.44 is: 125,732,503.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,168,141 : 216,903,497.88 = 91,105,694.44 : x
  2. Step 2: Convert to fraction form
    157,168,141/216,903,497.88 = 91,105,694.44/x
  3. Step 3: Cross multiply
    157,168,141x = 216,903,497.88 × 91,105,694.44
  4. Step 4: Simplify right side
    157,168,141x = 19,761,143,800,822,468
  5. Step 5: Solve for x
    x = 19,761,143,800,822,468/157,168,141
  6. Step 6: Final answer
    x = 125,732,503.26

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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.