Home / 172,115,852,720.31-258,098,798,824.28-91,423,897,831.17

Finding the Fourth Proportional to 172,115,852,720.31, 258,098,798,824.28 and 91,423,897,831.17

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Solution

The fourth proportional to 172,115,852,720.31, 258,098,798,824.28 and 91,423,897,831.17 is: 137,096,018,996.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,115,852,720.31 : 258,098,798,824.28 = 91,423,897,831.17 : x
  2. Step 2: Convert to fraction form
    172,115,852,720.31/258,098,798,824.28 = 91,423,897,831.17/x
  3. Step 3: Cross multiply
    172,115,852,720.31x = 258,098,798,824.28 × 91,423,897,831.17
  4. Step 4: Simplify right side
    172,115,852,720.31x = 23,596,398,214,058,673,700,864
  5. Step 5: Solve for x
    x = 23,596,398,214,058,673,700,864/172,115,852,720.31
  6. Step 6: Final answer
    x = 137,096,018,996.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.