Home / 144,601,701.04-199,549,624.66-78,521,610.88

Finding the Fourth Proportional to 144,601,701.04, 199,549,624.66 and 78,521,610.88

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Solution

The fourth proportional to 144,601,701.04, 199,549,624.66 and 78,521,610.88 is: 108,359,430.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,601,701.04 : 199,549,624.66 = 78,521,610.88 : x
  2. Step 2: Convert to fraction form
    144,601,701.04/199,549,624.66 = 78,521,610.88/x
  3. Step 3: Cross multiply
    144,601,701.04x = 199,549,624.66 × 78,521,610.88
  4. Step 4: Simplify right side
    144,601,701.04x = 15,668,957,978,802,572
  5. Step 5: Solve for x
    x = 15,668,957,978,802,572/144,601,701.04
  6. Step 6: Final answer
    x = 108,359,430.53

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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.