Home / 158,023,839,024.71-218,073,113,804.49-85,765,904,983.61

Finding the Fourth Proportional to 158,023,839,024.71, 218,073,113,804.49 and 85,765,904,983.61

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Solution

The fourth proportional to 158,023,839,024.71, 218,073,113,804.49 and 85,765,904,983.61 is: 118,357,066,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,023,839,024.71 : 218,073,113,804.49 = 85,765,904,983.61 : x
  2. Step 2: Convert to fraction form
    158,023,839,024.71/218,073,113,804.49 = 85,765,904,983.61/x
  3. Step 3: Cross multiply
    158,023,839,024.71x = 218,073,113,804.49 × 85,765,904,983.61
  4. Step 4: Simplify right side
    158,023,839,024.71x = 18,703,237,958,035,857,997,824
  5. Step 5: Solve for x
    x = 18,703,237,958,035,857,997,824/158,023,839,024.71
  6. Step 6: Final answer
    x = 118,357,066,082.36

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1.5x scale

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.