Home / 144,014,556.13-198,740,582.10-77,935,036.93

Finding the Fourth Proportional to 144,014,556.13, 198,740,582.10 and 77,935,036.93

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Solution

The fourth proportional to 144,014,556.13, 198,740,582.10 and 77,935,036.93 is: 107,550,618.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,014,556.13 : 198,740,582.10 = 77,935,036.93 : x
  2. Step 2: Convert to fraction form
    144,014,556.13/198,740,582.10 = 77,935,036.93/x
  3. Step 3: Cross multiply
    144,014,556.13x = 198,740,582.10 × 77,935,036.93
  4. Step 4: Simplify right side
    144,014,556.13x = 15,488,854,604,956,344
  5. Step 5: Solve for x
    x = 15,488,854,604,956,344/144,014,556.13
  6. Step 6: Final answer
    x = 107,550,618.64

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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.