Home / 157,119,997-216,825,662.28-91,078,802.16

Finding the Fourth Proportional to 157,119,997, 216,825,662.28 and 91,078,802.16

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Solution

The fourth proportional to 157,119,997, 216,825,662.28 and 91,078,802.16 is: 125,688,785.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,119,997 : 216,825,662.28 = 91,078,802.16 : x
  2. Step 2: Convert to fraction form
    157,119,997/216,825,662.28 = 91,078,802.16/x
  3. Step 3: Cross multiply
    157,119,997x = 216,825,662.28 × 91,078,802.16
  4. Step 4: Simplify right side
    157,119,997x = 19,748,221,598,011,092
  5. Step 5: Solve for x
    x = 19,748,221,598,011,092/157,119,997
  6. Step 6: Final answer
    x = 125,688,785.48

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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.