Home / 115,918,209.36-159,970,964.04-63,709,095.60

Finding the Fourth Proportional to 115,918,209.36, 159,970,964.04 and 63,709,095.60

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Solution

The fourth proportional to 115,918,209.36, 159,970,964.04 and 63,709,095.60 is: 87,920,659.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,918,209.36 : 159,970,964.04 = 63,709,095.60 : x
  2. Step 2: Convert to fraction form
    115,918,209.36/159,970,964.04 = 63,709,095.60/x
  3. Step 3: Cross multiply
    115,918,209.36x = 159,970,964.04 × 63,709,095.60
  4. Step 4: Simplify right side
    115,918,209.36x = 10,191,605,441,248,522
  5. Step 5: Solve for x
    x = 10,191,605,441,248,522/115,918,209.36
  6. Step 6: Final answer
    x = 87,920,659.73

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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.