Home / 118,109,411.45-177,164,117.18-106,205,133.05

Finding the Fourth Proportional to 118,109,411.45, 177,164,117.18 and 106,205,133.05

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Solution

The fourth proportional to 118,109,411.45, 177,164,117.18 and 106,205,133.05 is: 159,307,699.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,109,411.45 : 177,164,117.18 = 106,205,133.05 : x
  2. Step 2: Convert to fraction form
    118,109,411.45/177,164,117.18 = 106,205,133.05/x
  3. Step 3: Cross multiply
    118,109,411.45x = 177,164,117.18 × 106,205,133.05
  4. Step 4: Simplify right side
    118,109,411.45x = 18,815,738,636,256,664
  5. Step 5: Solve for x
    x = 18,815,738,636,256,664/118,109,411.45
  6. Step 6: Final answer
    x = 159,307,699.58

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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.