Home / 105,699,862.80-158,549,794.20-75,088,861.20

Finding the Fourth Proportional to 105,699,862.80, 158,549,794.20 and 75,088,861.20

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Solution

The fourth proportional to 105,699,862.80, 158,549,794.20 and 75,088,861.20 is: 112,633,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,699,862.80 : 158,549,794.20 = 75,088,861.20 : x
  2. Step 2: Convert to fraction form
    105,699,862.80/158,549,794.20 = 75,088,861.20/x
  3. Step 3: Cross multiply
    105,699,862.80x = 158,549,794.20 × 75,088,861.20
  4. Step 4: Simplify right side
    105,699,862.80x = 11,905,323,489,972,364
  5. Step 5: Solve for x
    x = 11,905,323,489,972,364/105,699,862.80
  6. Step 6: Final answer
    x = 112,633,291.80

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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.