Home / 159,829,839.36-220,565,373.30-86,490,981.36

Finding the Fourth Proportional to 159,829,839.36, 220,565,373.30 and 86,490,981.36

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Solution

The fourth proportional to 159,829,839.36, 220,565,373.30 and 86,490,981.36 is: 119,357,659.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,829,839.36 : 220,565,373.30 = 86,490,981.36 : x
  2. Step 2: Convert to fraction form
    159,829,839.36/220,565,373.30 = 86,490,981.36/x
  3. Step 3: Cross multiply
    159,829,839.36x = 220,565,373.30 × 86,490,981.36
  4. Step 4: Simplify right side
    159,829,839.36x = 19,076,915,590,751,744
  5. Step 5: Solve for x
    x = 19,076,915,590,751,744/159,829,839.36
  6. Step 6: Final answer
    x = 119,357,659.79

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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.