Home / 144,014,211.52-198,740,113.70-77,934,693.22

Finding the Fourth Proportional to 144,014,211.52, 198,740,113.70 and 77,934,693.22

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Solution

The fourth proportional to 144,014,211.52, 198,740,113.70 and 77,934,693.22 is: 107,550,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,014,211.52 : 198,740,113.70 = 77,934,693.22 : x
  2. Step 2: Convert to fraction form
    144,014,211.52/198,740,113.70 = 77,934,693.22/x
  3. Step 3: Cross multiply
    144,014,211.52x = 198,740,113.70 × 77,934,693.22
  4. Step 4: Simplify right side
    144,014,211.52x = 15,488,749,791,717,418
  5. Step 5: Solve for x
    x = 15,488,749,791,717,418/144,014,211.52
  6. Step 6: Final answer
    x = 107,550,148.20

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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.