Home / 205,063,648.70-307,346,641.05-118,636,000.70

Finding the Fourth Proportional to 205,063,648.70, 307,346,641.05 and 118,636,000.70

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Solution

The fourth proportional to 205,063,648.70, 307,346,641.05 and 118,636,000.70 is: 177,810,043.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,063,648.70 : 307,346,641.05 = 118,636,000.70 : x
  2. Step 2: Convert to fraction form
    205,063,648.70/307,346,641.05 = 118,636,000.70/x
  3. Step 3: Cross multiply
    205,063,648.70x = 307,346,641.05 × 118,636,000.70
  4. Step 4: Simplify right side
    205,063,648.70x = 36,462,376,322,750,448
  5. Step 5: Solve for x
    x = 36,462,376,322,750,448/205,063,648.70
  6. Step 6: Final answer
    x = 177,810,043.63

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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.