Home / 144,014,543.17-198,740,564.21-77,935,023.92

Finding the Fourth Proportional to 144,014,543.17, 198,740,564.21 and 77,935,023.92

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Solution

The fourth proportional to 144,014,543.17, 198,740,564.21 and 77,935,023.92 is: 107,550,600.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,014,543.17 : 198,740,564.21 = 77,935,023.92 : x
  2. Step 2: Convert to fraction form
    144,014,543.17/198,740,564.21 = 77,935,023.92/x
  3. Step 3: Cross multiply
    144,014,543.17x = 198,740,564.21 × 77,935,023.92
  4. Step 4: Simplify right side
    144,014,543.17x = 15,488,850,625,580,646
  5. Step 5: Solve for x
    x = 15,488,850,625,580,646/144,014,543.17
  6. Step 6: Final answer
    x = 107,550,600.69

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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.