Home / 85,636,721.62-118,178,792.87-46,478,498.97

Finding the Fourth Proportional to 85,636,721.62, 118,178,792.87 and 46,478,498.97

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Solution

The fourth proportional to 85,636,721.62, 118,178,792.87 and 46,478,498.97 is: 64,140,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,636,721.62 : 118,178,792.87 = 46,478,498.97 : x
  2. Step 2: Convert to fraction form
    85,636,721.62/118,178,792.87 = 46,478,498.97/x
  3. Step 3: Cross multiply
    85,636,721.62x = 118,178,792.87 × 46,478,498.97
  4. Step 4: Simplify right side
    85,636,721.62x = 5,492,772,902,451,745
  5. Step 5: Solve for x
    x = 5,492,772,902,451,745/85,636,721.62
  6. Step 6: Final answer
    x = 64,140,392.10

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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.