Home / 317,221,840.48-475,724,999.52-109,911,867.68

Finding the Fourth Proportional to 317,221,840.48, 475,724,999.52 and 109,911,867.68

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Solution

The fourth proportional to 317,221,840.48, 475,724,999.52 and 109,911,867.68 is: 164,830,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,221,840.48 : 475,724,999.52 = 109,911,867.68 : x
  2. Step 2: Convert to fraction form
    317,221,840.48/475,724,999.52 = 109,911,867.68/x
  3. Step 3: Cross multiply
    317,221,840.48x = 475,724,999.52 × 109,911,867.68
  4. Step 4: Simplify right side
    317,221,840.48x = 52,287,823,199,310,304
  5. Step 5: Solve for x
    x = 52,287,823,199,310,304/317,221,840.48
  6. Step 6: Final answer
    x = 164,830,464.13

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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.