Home / 105,317,952.80-157,668,999.60-75,084,864.80

Finding the Fourth Proportional to 105,317,952.80, 157,668,999.60 and 75,084,864.80

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Solution

The fourth proportional to 105,317,952.80, 157,668,999.60 and 75,084,864.80 is: 112,407,763.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,317,952.80 : 157,668,999.60 = 75,084,864.80 : x
  2. Step 2: Convert to fraction form
    105,317,952.80/157,668,999.60 = 75,084,864.80/x
  3. Step 3: Cross multiply
    105,317,952.80x = 157,668,999.60 × 75,084,864.80
  4. Step 4: Simplify right side
    105,317,952.80x = 11,838,555,518,117,254
  5. Step 5: Solve for x
    x = 11,838,555,518,117,254/105,317,952.80
  6. Step 6: Final answer
    x = 112,407,763.38

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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.